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Finding the Third Proportional to 29,481,830 and 63,792,772

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Solution

The third proportional to 29,481,830 and 63,792,772 is: 138,034,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481,830 : 63,792,772 = 63,792,772 : x
  2. Step 2: Convert to fraction form
    29,481,830/63,792,772 = 63,792,772/x
  3. Step 3: Cross multiply
    29,481,830x = 63,792,772 × 63,792,772
  4. Step 4: Simplify right side
    29,481,830x = 4,069,517,759,443,984
  5. Step 5: Solve for x
    x = 4,069,517,759,443,984/29,481,830
  6. Step 6: Final answer
    x = 138,034,774.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.