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Finding the Third Proportional to 133,169.25 and 286,102.50

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Solution

The third proportional to 133,169.25 and 286,102.50 is: 614,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,169.25 : 286,102.50 = 286,102.50 : x
  2. Step 2: Convert to fraction form
    133,169.25/286,102.50 = 286,102.50/x
  3. Step 3: Cross multiply
    133,169.25x = 286,102.50 × 286,102.50
  4. Step 4: Simplify right side
    133,169.25x = 81,854,640,506.25
  5. Step 5: Solve for x
    x = 81,854,640,506.25/133,169.25
  6. Step 6: Final answer
    x = 614,666.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.