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Finding the Third Proportional to 342,304 and 763,312

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Solution

The third proportional to 342,304 and 763,312 is: 1,702,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,304 : 763,312 = 763,312 : x
  2. Step 2: Convert to fraction form
    342,304/763,312 = 763,312/x
  3. Step 3: Cross multiply
    342,304x = 763,312 × 763,312
  4. Step 4: Simplify right side
    342,304x = 582,645,209,344
  5. Step 5: Solve for x
    x = 582,645,209,344/342,304
  6. Step 6: Final answer
    x = 1,702,127.96

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.