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Finding the Third Proportional to 130,680 and 283,488

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Solution

The third proportional to 130,680 and 283,488 is: 614,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680 : 283,488 = 283,488 : x
  2. Step 2: Convert to fraction form
    130,680/283,488 = 283,488/x
  3. Step 3: Cross multiply
    130,680x = 283,488 × 283,488
  4. Step 4: Simplify right side
    130,680x = 80,365,446,144
  5. Step 5: Solve for x
    x = 80,365,446,144/130,680
  6. Step 6: Final answer
    x = 614,978.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.