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Finding the Third Proportional to 59,957,721 and 129,008,619

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Solution

The third proportional to 59,957,721 and 129,008,619 is: 277,582,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,957,721 : 129,008,619 = 129,008,619 : x
  2. Step 2: Convert to fraction form
    59,957,721/129,008,619 = 129,008,619/x
  3. Step 3: Cross multiply
    59,957,721x = 129,008,619 × 129,008,619
  4. Step 4: Simplify right side
    59,957,721x = 16,643,223,776,287,160
  5. Step 5: Solve for x
    x = 16,643,223,776,287,160/59,957,721
  6. Step 6: Final answer
    x = 277,582,661.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.