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Finding the Third Proportional to 342,374 and 763,426

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Solution

The third proportional to 342,374 and 763,426 is: 1,702,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,374 : 763,426 = 763,426 : x
  2. Step 2: Convert to fraction form
    342,374/763,426 = 763,426/x
  3. Step 3: Cross multiply
    342,374x = 763,426 × 763,426
  4. Step 4: Simplify right side
    342,374x = 582,819,257,476
  5. Step 5: Solve for x
    x = 582,819,257,476/342,374
  6. Step 6: Final answer
    x = 1,702,288.31

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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.