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Finding the Third Proportional to 15,204,866 and 31,487,621

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Solution

The third proportional to 15,204,866 and 31,487,621 is: 65,207,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,866 : 31,487,621 = 31,487,621 : x
  2. Step 2: Convert to fraction form
    15,204,866/31,487,621 = 31,487,621/x
  3. Step 3: Cross multiply
    15,204,866x = 31,487,621 × 31,487,621
  4. Step 4: Simplify right side
    15,204,866x = 991,470,276,239,641
  5. Step 5: Solve for x
    x = 991,470,276,239,641/15,204,866
  6. Step 6: Final answer
    x = 65,207,432.69

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.