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Finding the Third Proportional to 149,584 and 318,932

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Solution

The third proportional to 149,584 and 318,932 is: 680,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,584 : 318,932 = 318,932 : x
  2. Step 2: Convert to fraction form
    149,584/318,932 = 318,932/x
  3. Step 3: Cross multiply
    149,584x = 318,932 × 318,932
  4. Step 4: Simplify right side
    149,584x = 101,717,620,624
  5. Step 5: Solve for x
    x = 101,717,620,624/149,584
  6. Step 6: Final answer
    x = 680,003.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.