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Finding the Third Proportional to 117,004.50 and 252,720

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Solution

The third proportional to 117,004.50 and 252,720 is: 545,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.50 : 252,720 = 252,720 : x
  2. Step 2: Convert to fraction form
    117,004.50/252,720 = 252,720/x
  3. Step 3: Cross multiply
    117,004.50x = 252,720 × 252,720
  4. Step 4: Simplify right side
    117,004.50x = 63,867,398,400
  5. Step 5: Solve for x
    x = 63,867,398,400/117,004.50
  6. Step 6: Final answer
    x = 545,854.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.