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Finding the Third Proportional to 403,525 and 565,530

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Solution

The third proportional to 403,525 and 565,530 is: 792,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525 : 565,530 = 565,530 : x
  2. Step 2: Convert to fraction form
    403,525/565,530 = 565,530/x
  3. Step 3: Cross multiply
    403,525x = 565,530 × 565,530
  4. Step 4: Simplify right side
    403,525x = 319,824,180,900
  5. Step 5: Solve for x
    x = 319,824,180,900/403,525
  6. Step 6: Final answer
    x = 792,575.88

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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.