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Finding the Third Proportional to 9,887,456 and 15,301,624

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Solution

The third proportional to 9,887,456 and 15,301,624 is: 23,680,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,456 : 15,301,624 = 15,301,624 : x
  2. Step 2: Convert to fraction form
    9,887,456/15,301,624 = 15,301,624/x
  3. Step 3: Cross multiply
    9,887,456x = 15,301,624 × 15,301,624
  4. Step 4: Simplify right side
    9,887,456x = 234,139,697,037,376
  5. Step 5: Solve for x
    x = 234,139,697,037,376/9,887,456
  6. Step 6: Final answer
    x = 23,680,479.29

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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.