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Finding the Third Proportional to 71,360.38 and 155,434.13

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Solution

The third proportional to 71,360.38 and 155,434.13 is: 338,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.38 : 155,434.13 = 155,434.13 : x
  2. Step 2: Convert to fraction form
    71,360.38/155,434.13 = 155,434.13/x
  3. Step 3: Cross multiply
    71,360.38x = 155,434.13 × 155,434.13
  4. Step 4: Simplify right side
    71,360.38x = 24,159,767,214.52
  5. Step 5: Solve for x
    x = 24,159,767,214.52/71,360.38
  6. Step 6: Final answer
    x = 338,559.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.