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Finding the Third Proportional to 71,646,018 and 155,456,130

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Solution

The third proportional to 71,646,018 and 155,456,130 is: 337,305,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,646,018 : 155,456,130 = 155,456,130 : x
  2. Step 2: Convert to fraction form
    71,646,018/155,456,130 = 155,456,130/x
  3. Step 3: Cross multiply
    71,646,018x = 155,456,130 × 155,456,130
  4. Step 4: Simplify right side
    71,646,018x = 24,166,608,354,576,900
  5. Step 5: Solve for x
    x = 24,166,608,354,576,900/71,646,018
  6. Step 6: Final answer
    x = 337,305,673.49

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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.