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Finding the Third Proportional to 155,988 and 241,980

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Solution

The third proportional to 155,988 and 241,980 is: 375,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,988 : 241,980 = 241,980 : x
  2. Step 2: Convert to fraction form
    155,988/241,980 = 241,980/x
  3. Step 3: Cross multiply
    155,988x = 241,980 × 241,980
  4. Step 4: Simplify right side
    155,988x = 58,554,320,400
  5. Step 5: Solve for x
    x = 58,554,320,400/155,988
  6. Step 6: Final answer
    x = 375,377.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.