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Finding the Third Proportional to 181,360 and 392,480

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Solution

The third proportional to 181,360 and 392,480 is: 849,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,360 : 392,480 = 392,480 : x
  2. Step 2: Convert to fraction form
    181,360/392,480 = 392,480/x
  3. Step 3: Cross multiply
    181,360x = 392,480 × 392,480
  4. Step 4: Simplify right side
    181,360x = 154,040,550,400
  5. Step 5: Solve for x
    x = 154,040,550,400/181,360
  6. Step 6: Final answer
    x = 849,363.42

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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.