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Finding the Third Proportional to 62,684 and 127,789

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Solution

The third proportional to 62,684 and 127,789 is: 260,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,684 : 127,789 = 127,789 : x
  2. Step 2: Convert to fraction form
    62,684/127,789 = 127,789/x
  3. Step 3: Cross multiply
    62,684x = 127,789 × 127,789
  4. Step 4: Simplify right side
    62,684x = 16,330,028,521
  5. Step 5: Solve for x
    x = 16,330,028,521/62,684
  6. Step 6: Final answer
    x = 260,513.50

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.