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Finding the Third Proportional to 7,485,448 and 11,281,389

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Solution

The third proportional to 7,485,448 and 11,281,389 is: 17,002,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,448 : 11,281,389 = 11,281,389 : x
  2. Step 2: Convert to fraction form
    7,485,448/11,281,389 = 11,281,389/x
  3. Step 3: Cross multiply
    7,485,448x = 11,281,389 × 11,281,389
  4. Step 4: Simplify right side
    7,485,448x = 127,269,737,769,321
  5. Step 5: Solve for x
    x = 127,269,737,769,321/7,485,448
  6. Step 6: Final answer
    x = 17,002,287.34

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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.