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Finding the Third Proportional to 132,426 and 170,028

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Solution

The third proportional to 132,426 and 170,028 is: 218,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,426 : 170,028 = 170,028 : x
  2. Step 2: Convert to fraction form
    132,426/170,028 = 170,028/x
  3. Step 3: Cross multiply
    132,426x = 170,028 × 170,028
  4. Step 4: Simplify right side
    132,426x = 28,909,520,784
  5. Step 5: Solve for x
    x = 28,909,520,784/132,426
  6. Step 6: Final answer
    x = 218,306.98

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.