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Finding the Third Proportional to 90,657 and 149,823

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Solution

The third proportional to 90,657 and 149,823 is: 247,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,657 : 149,823 = 149,823 : x
  2. Step 2: Convert to fraction form
    90,657/149,823 = 149,823/x
  3. Step 3: Cross multiply
    90,657x = 149,823 × 149,823
  4. Step 4: Simplify right side
    90,657x = 22,446,931,329
  5. Step 5: Solve for x
    x = 22,446,931,329/90,657
  6. Step 6: Final answer
    x = 247,602.85

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.