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Finding the Third Proportional to 122,666 and 250,492

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Solution

The third proportional to 122,666 and 250,492 is: 511,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666 : 250,492 = 250,492 : x
  2. Step 2: Convert to fraction form
    122,666/250,492 = 250,492/x
  3. Step 3: Cross multiply
    122,666x = 250,492 × 250,492
  4. Step 4: Simplify right side
    122,666x = 62,746,242,064
  5. Step 5: Solve for x
    x = 62,746,242,064/122,666
  6. Step 6: Final answer
    x = 511,521.06

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.