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Finding the Third Proportional to 71,648,847 and 156,712,410

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Solution

The third proportional to 71,648,847 and 156,712,410 is: 342,765,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,847 : 156,712,410 = 156,712,410 : x
  2. Step 2: Convert to fraction form
    71,648,847/156,712,410 = 156,712,410/x
  3. Step 3: Cross multiply
    71,648,847x = 156,712,410 × 156,712,410
  4. Step 4: Simplify right side
    71,648,847x = 24,558,779,448,008,100
  5. Step 5: Solve for x
    x = 24,558,779,448,008,100/71,648,847
  6. Step 6: Final answer
    x = 342,765,871.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.