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Finding the Third Proportional to 61,572,936 and 133,862,976

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Solution

The third proportional to 61,572,936 and 133,862,976 is: 291,025,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572,936 : 133,862,976 = 133,862,976 : x
  2. Step 2: Convert to fraction form
    61,572,936/133,862,976 = 133,862,976/x
  3. Step 3: Cross multiply
    61,572,936x = 133,862,976 × 133,862,976
  4. Step 4: Simplify right side
    61,572,936x = 17,919,296,343,576,576
  5. Step 5: Solve for x
    x = 17,919,296,343,576,576/61,572,936
  6. Step 6: Final answer
    x = 291,025,530.17

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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.