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Finding the Third Proportional to 9,987,134 and 15,085,657

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Solution

The third proportional to 9,987,134 and 15,085,657 is: 22,787,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,134 : 15,085,657 = 15,085,657 : x
  2. Step 2: Convert to fraction form
    9,987,134/15,085,657 = 15,085,657/x
  3. Step 3: Cross multiply
    9,987,134x = 15,085,657 × 15,085,657
  4. Step 4: Simplify right side
    9,987,134x = 227,577,047,121,649
  5. Step 5: Solve for x
    x = 227,577,047,121,649/9,987,134
  6. Step 6: Final answer
    x = 22,787,022.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.