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Finding the Third Proportional to 253,466 and 354,364

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Solution

The third proportional to 253,466 and 354,364 is: 495,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,466 : 354,364 = 354,364 : x
  2. Step 2: Convert to fraction form
    253,466/354,364 = 354,364/x
  3. Step 3: Cross multiply
    253,466x = 354,364 × 354,364
  4. Step 4: Simplify right side
    253,466x = 125,573,844,496
  5. Step 5: Solve for x
    x = 125,573,844,496/253,466
  6. Step 6: Final answer
    x = 495,426.78

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.