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Finding the Third Proportional to 170,246.50 and 257,737

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Solution

The third proportional to 170,246.50 and 257,737 is: 390,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,246.50 : 257,737 = 257,737 : x
  2. Step 2: Convert to fraction form
    170,246.50/257,737 = 257,737/x
  3. Step 3: Cross multiply
    170,246.50x = 257,737 × 257,737
  4. Step 4: Simplify right side
    170,246.50x = 66,428,361,169
  5. Step 5: Solve for x
    x = 66,428,361,169/170,246.50
  6. Step 6: Final answer
    x = 390,189.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.