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Finding the Third Proportional to 137,988 and 295,656

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Solution

The third proportional to 137,988 and 295,656 is: 633,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,988 : 295,656 = 295,656 : x
  2. Step 2: Convert to fraction form
    137,988/295,656 = 295,656/x
  3. Step 3: Cross multiply
    137,988x = 295,656 × 295,656
  4. Step 4: Simplify right side
    137,988x = 87,412,470,336
  5. Step 5: Solve for x
    x = 87,412,470,336/137,988
  6. Step 6: Final answer
    x = 633,478.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.