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Finding the Third Proportional to 138,544 and 202,630

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Solution

The third proportional to 138,544 and 202,630 is: 296,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,544 : 202,630 = 202,630 : x
  2. Step 2: Convert to fraction form
    138,544/202,630 = 202,630/x
  3. Step 3: Cross multiply
    138,544x = 202,630 × 202,630
  4. Step 4: Simplify right side
    138,544x = 41,058,916,900
  5. Step 5: Solve for x
    x = 41,058,916,900/138,544
  6. Step 6: Final answer
    x = 296,360.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.