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Finding the Third Proportional to 90,747 and 135,964

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Solution

The third proportional to 90,747 and 135,964 is: 203,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747 : 135,964 = 135,964 : x
  2. Step 2: Convert to fraction form
    90,747/135,964 = 135,964/x
  3. Step 3: Cross multiply
    90,747x = 135,964 × 135,964
  4. Step 4: Simplify right side
    90,747x = 18,486,209,296
  5. Step 5: Solve for x
    x = 18,486,209,296/90,747
  6. Step 6: Final answer
    x = 203,711.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.