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Finding the Third Proportional to 10,061,990 and 15,690,856

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Solution

The third proportional to 10,061,990 and 15,690,856 is: 24,468,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,990 : 15,690,856 = 15,690,856 : x
  2. Step 2: Convert to fraction form
    10,061,990/15,690,856 = 15,690,856/x
  3. Step 3: Cross multiply
    10,061,990x = 15,690,856 × 15,690,856
  4. Step 4: Simplify right side
    10,061,990x = 246,202,962,012,736
  5. Step 5: Solve for x
    x = 246,202,962,012,736/10,061,990
  6. Step 6: Final answer
    x = 24,468,615.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.