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Finding the Third Proportional to 87,329.25 and 162,400.50

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Solution

The third proportional to 87,329.25 and 162,400.50 is: 302,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.25 : 162,400.50 = 162,400.50 : x
  2. Step 2: Convert to fraction form
    87,329.25/162,400.50 = 162,400.50/x
  3. Step 3: Cross multiply
    87,329.25x = 162,400.50 × 162,400.50
  4. Step 4: Simplify right side
    87,329.25x = 26,373,922,400.25
  5. Step 5: Solve for x
    x = 26,373,922,400.25/87,329.25
  6. Step 6: Final answer
    x = 302,005.60

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.