Home / 138,073-297,274

Finding the Third Proportional to 138,073 and 297,274

Calculator

Solution

The third proportional to 138,073 and 297,274 is: 640,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,073 : 297,274 = 297,274 : x
  2. Step 2: Convert to fraction form
    138,073/297,274 = 297,274/x
  3. Step 3: Cross multiply
    138,073x = 297,274 × 297,274
  4. Step 4: Simplify right side
    138,073x = 88,371,831,076
  5. Step 5: Solve for x
    x = 88,371,831,076/138,073
  6. Step 6: Final answer
    x = 640,037.02

Related Problems

Find third proportional to 69,036.50 and 148,637
Half scale
Find third proportional to 276,146 and 594,548
Double scale
Find third proportional to 138,075 and 297,278
Similar ratio
Find third proportional to 207,109.50 and 445,911
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.