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Finding the Third Proportional to 252,288 and 420,460.88

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Solution

The third proportional to 252,288 and 420,460.88 is: 700,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,288 : 420,460.88 = 420,460.88 : x
  2. Step 2: Convert to fraction form
    252,288/420,460.88 = 420,460.88/x
  3. Step 3: Cross multiply
    252,288x = 420,460.88 × 420,460.88
  4. Step 4: Simplify right side
    252,288x = 176,787,347,405.77
  5. Step 5: Solve for x
    x = 176,787,347,405.77/252,288
  6. Step 6: Final answer
    x = 700,736.25

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.