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Finding the Third Proportional to 153,103.25 and 324,737.25

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Solution

The third proportional to 153,103.25 and 324,737.25 is: 688,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,103.25 : 324,737.25 = 324,737.25 : x
  2. Step 2: Convert to fraction form
    153,103.25/324,737.25 = 324,737.25/x
  3. Step 3: Cross multiply
    153,103.25x = 324,737.25 × 324,737.25
  4. Step 4: Simplify right side
    153,103.25x = 105,454,281,537.56
  5. Step 5: Solve for x
    x = 105,454,281,537.56/153,103.25
  6. Step 6: Final answer
    x = 688,778.86

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.