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Finding the Third Proportional to 69,285.38 and 152,209.13

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Solution

The third proportional to 69,285.38 and 152,209.13 is: 334,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,285.38 : 152,209.13 = 152,209.13 : x
  2. Step 2: Convert to fraction form
    69,285.38/152,209.13 = 152,209.13/x
  3. Step 3: Cross multiply
    69,285.38x = 152,209.13 × 152,209.13
  4. Step 4: Simplify right side
    69,285.38x = 23,167,617,733.27
  5. Step 5: Solve for x
    x = 23,167,617,733.27/69,285.38
  6. Step 6: Final answer
    x = 334,379.63

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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.