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Finding the Third Proportional to 16,721,920.97 and 25,582,657.78

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Solution

The third proportional to 16,721,920.97 and 25,582,657.78 is: 39,138,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,920.97 : 25,582,657.78 = 25,582,657.78 : x
  2. Step 2: Convert to fraction form
    16,721,920.97/25,582,657.78 = 25,582,657.78/x
  3. Step 3: Cross multiply
    16,721,920.97x = 25,582,657.78 × 25,582,657.78
  4. Step 4: Simplify right side
    16,721,920.97x = 654,472,379,152,551.12
  5. Step 5: Solve for x
    x = 654,472,379,152,551.12/16,721,920.97
  6. Step 6: Final answer
    x = 39,138,588.23

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.