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Finding the Third Proportional to 100,488 and 136,476

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Solution

The third proportional to 100,488 and 136,476 is: 185,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,488 : 136,476 = 136,476 : x
  2. Step 2: Convert to fraction form
    100,488/136,476 = 136,476/x
  3. Step 3: Cross multiply
    100,488x = 136,476 × 136,476
  4. Step 4: Simplify right side
    100,488x = 18,625,698,576
  5. Step 5: Solve for x
    x = 18,625,698,576/100,488
  6. Step 6: Final answer
    x = 185,352.47

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.