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Finding the Third Proportional to 170,119.50 and 251,299.50

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Solution

The third proportional to 170,119.50 and 251,299.50 is: 371,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,119.50 : 251,299.50 = 251,299.50 : x
  2. Step 2: Convert to fraction form
    170,119.50/251,299.50 = 251,299.50/x
  3. Step 3: Cross multiply
    170,119.50x = 251,299.50 × 251,299.50
  4. Step 4: Simplify right side
    170,119.50x = 63,151,438,700.25
  5. Step 5: Solve for x
    x = 63,151,438,700.25/170,119.50
  6. Step 6: Final answer
    x = 371,218.11

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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.