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Finding the Third Proportional to 376,478 and 565,551

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Solution

The third proportional to 376,478 and 565,551 is: 849,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,478 : 565,551 = 565,551 : x
  2. Step 2: Convert to fraction form
    376,478/565,551 = 565,551/x
  3. Step 3: Cross multiply
    376,478x = 565,551 × 565,551
  4. Step 4: Simplify right side
    376,478x = 319,847,933,601
  5. Step 5: Solve for x
    x = 319,847,933,601/376,478
  6. Step 6: Final answer
    x = 849,579.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.