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Finding the Third Proportional to 8,289,218.25 and 17,838,148.88

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Solution

The third proportional to 8,289,218.25 and 17,838,148.88 is: 38,387,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,218.25 : 17,838,148.88 = 17,838,148.88 : x
  2. Step 2: Convert to fraction form
    8,289,218.25/17,838,148.88 = 17,838,148.88/x
  3. Step 3: Cross multiply
    8,289,218.25x = 17,838,148.88 × 17,838,148.88
  4. Step 4: Simplify right side
    8,289,218.25x = 318,199,555,286,663.75
  5. Step 5: Solve for x
    x = 318,199,555,286,663.75/8,289,218.25
  6. Step 6: Final answer
    x = 38,387,160.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.