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Finding the Third Proportional to 133,060 and 286,856

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Solution

The third proportional to 133,060 and 286,856 is: 618,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060 : 286,856 = 286,856 : x
  2. Step 2: Convert to fraction form
    133,060/286,856 = 286,856/x
  3. Step 3: Cross multiply
    133,060x = 286,856 × 286,856
  4. Step 4: Simplify right side
    133,060x = 82,286,364,736
  5. Step 5: Solve for x
    x = 82,286,364,736/133,060
  6. Step 6: Final answer
    x = 618,415.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.