Home / 78,323,310-169,663,860

Finding the Third Proportional to 78,323,310 and 169,663,860

Calculator

Solution

The third proportional to 78,323,310 and 169,663,860 is: 367,525,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,323,310 : 169,663,860 = 169,663,860 : x
  2. Step 2: Convert to fraction form
    78,323,310/169,663,860 = 169,663,860/x
  3. Step 3: Cross multiply
    78,323,310x = 169,663,860 × 169,663,860
  4. Step 4: Simplify right side
    78,323,310x = 28,785,825,390,099,600
  5. Step 5: Solve for x
    x = 28,785,825,390,099,600/78,323,310
  6. Step 6: Final answer
    x = 367,525,649.65

Related Problems

Find third proportional to 39,161,655 and 84,831,930
Half scale
Find third proportional to 156,646,620 and 339,327,720
Double scale
Find third proportional to 78,323,312 and 169,663,864
Similar ratio
Find third proportional to 117,484,965 and 254,495,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.