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Finding the Third Proportional to 115,320 and 250,320

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Solution

The third proportional to 115,320 and 250,320 is: 543,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,320 : 250,320 = 250,320 : x
  2. Step 2: Convert to fraction form
    115,320/250,320 = 250,320/x
  3. Step 3: Cross multiply
    115,320x = 250,320 × 250,320
  4. Step 4: Simplify right side
    115,320x = 62,660,102,400
  5. Step 5: Solve for x
    x = 62,660,102,400/115,320
  6. Step 6: Final answer
    x = 543,358.50

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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.