Home / 279,663,774-423,381,645

Finding the Third Proportional to 279,663,774 and 423,381,645

Calculator

Solution

The third proportional to 279,663,774 and 423,381,645 is: 640,955,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,663,774 : 423,381,645 = 423,381,645 : x
  2. Step 2: Convert to fraction form
    279,663,774/423,381,645 = 423,381,645/x
  3. Step 3: Cross multiply
    279,663,774x = 423,381,645 × 423,381,645
  4. Step 4: Simplify right side
    279,663,774x = 179,252,017,322,906,016
  5. Step 5: Solve for x
    x = 179,252,017,322,906,016/279,663,774
  6. Step 6: Final answer
    x = 640,955,440.02

Related Problems

Find third proportional to 139,831,887 and 211,690,822.50
Half scale
Find third proportional to 559,327,548 and 846,763,290
Double scale
Find third proportional to 279,663,776 and 423,381,648
Similar ratio
Find third proportional to 419,495,661 and 635,072,467.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.