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Finding the Third Proportional to 133,168.75 and 286,101.50

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Solution

The third proportional to 133,168.75 and 286,101.50 is: 614,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,168.75 : 286,101.50 = 286,101.50 : x
  2. Step 2: Convert to fraction form
    133,168.75/286,101.50 = 286,101.50/x
  3. Step 3: Cross multiply
    133,168.75x = 286,101.50 × 286,101.50
  4. Step 4: Simplify right side
    133,168.75x = 81,854,068,302.25
  5. Step 5: Solve for x
    x = 81,854,068,302.25/133,168.75
  6. Step 6: Final answer
    x = 614,664.24

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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.