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Finding the Third Proportional to 170,140.50 and 251,319

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Solution

The third proportional to 170,140.50 and 251,319 is: 371,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,140.50 : 251,319 = 251,319 : x
  2. Step 2: Convert to fraction form
    170,140.50/251,319 = 251,319/x
  3. Step 3: Cross multiply
    170,140.50x = 251,319 × 251,319
  4. Step 4: Simplify right side
    170,140.50x = 63,161,239,761
  5. Step 5: Solve for x
    x = 63,161,239,761/170,140.50
  6. Step 6: Final answer
    x = 371,229.89

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.