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Finding the Third Proportional to 9,887,440 and 15,301,600

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Solution

The third proportional to 9,887,440 and 15,301,600 is: 23,680,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,440 : 15,301,600 = 15,301,600 : x
  2. Step 2: Convert to fraction form
    9,887,440/15,301,600 = 15,301,600/x
  3. Step 3: Cross multiply
    9,887,440x = 15,301,600 × 15,301,600
  4. Step 4: Simplify right side
    9,887,440x = 234,138,962,560,000
  5. Step 5: Solve for x
    x = 234,138,962,560,000/9,887,440
  6. Step 6: Final answer
    x = 23,680,443.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.