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Finding the Third Proportional to 18,498.38 and 39,952.88

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Solution

The third proportional to 18,498.38 and 39,952.88 is: 86,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.38 : 39,952.88 = 39,952.88 : x
  2. Step 2: Convert to fraction form
    18,498.38/39,952.88 = 39,952.88/x
  3. Step 3: Cross multiply
    18,498.38x = 39,952.88 × 39,952.88
  4. Step 4: Simplify right side
    18,498.38x = 1,596,232,220.77
  5. Step 5: Solve for x
    x = 1,596,232,220.77/18,498.38
  6. Step 6: Final answer
    x = 86,290.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.