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Finding the Third Proportional to 155,310.38 and 235,305

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Solution

The third proportional to 155,310.38 and 235,305 is: 356,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,310.38 : 235,305 = 235,305 : x
  2. Step 2: Convert to fraction form
    155,310.38/235,305 = 235,305/x
  3. Step 3: Cross multiply
    155,310.38x = 235,305 × 235,305
  4. Step 4: Simplify right side
    155,310.38x = 55,368,443,025
  5. Step 5: Solve for x
    x = 55,368,443,025/155,310.38
  6. Step 6: Final answer
    x = 356,501.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.