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Finding the Third Proportional to 172,426.50 and 252,078.75

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Solution

The third proportional to 172,426.50 and 252,078.75 is: 368,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,426.50 : 252,078.75 = 252,078.75 : x
  2. Step 2: Convert to fraction form
    172,426.50/252,078.75 = 252,078.75/x
  3. Step 3: Cross multiply
    172,426.50x = 252,078.75 × 252,078.75
  4. Step 4: Simplify right side
    172,426.50x = 63,543,696,201.56
  5. Step 5: Solve for x
    x = 63,543,696,201.56/172,426.50
  6. Step 6: Final answer
    x = 368,526.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.