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Finding the Third Proportional to 15,204,876 and 31,487,641

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Solution

The third proportional to 15,204,876 and 31,487,641 is: 65,207,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,876 : 31,487,641 = 31,487,641 : x
  2. Step 2: Convert to fraction form
    15,204,876/31,487,641 = 31,487,641/x
  3. Step 3: Cross multiply
    15,204,876x = 31,487,641 × 31,487,641
  4. Step 4: Simplify right side
    15,204,876x = 991,471,535,744,881
  5. Step 5: Solve for x
    x = 991,471,535,744,881/15,204,876
  6. Step 6: Final answer
    x = 65,207,472.64

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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.