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Finding the Third Proportional to 7,120,660 and 15,693,488

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Solution

The third proportional to 7,120,660 and 15,693,488 is: 34,587,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,660 : 15,693,488 = 15,693,488 : x
  2. Step 2: Convert to fraction form
    7,120,660/15,693,488 = 15,693,488/x
  3. Step 3: Cross multiply
    7,120,660x = 15,693,488 × 15,693,488
  4. Step 4: Simplify right side
    7,120,660x = 246,285,565,606,144
  5. Step 5: Solve for x
    x = 246,285,565,606,144/7,120,660
  6. Step 6: Final answer
    x = 34,587,463.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.