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Finding the Third Proportional to 109,488.38 and 235,855.13

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Solution

The third proportional to 109,488.38 and 235,855.13 is: 508,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,488.38 : 235,855.13 = 235,855.13 : x
  2. Step 2: Convert to fraction form
    109,488.38/235,855.13 = 235,855.13/x
  3. Step 3: Cross multiply
    109,488.38x = 235,855.13 × 235,855.13
  4. Step 4: Simplify right side
    109,488.38x = 55,627,639,988.77
  5. Step 5: Solve for x
    x = 55,627,639,988.77/109,488.38
  6. Step 6: Final answer
    x = 508,068.92

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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.