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Finding the Third Proportional to 403,528 and 565,532

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Solution

The third proportional to 403,528 and 565,532 is: 792,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,528 : 565,532 = 565,532 : x
  2. Step 2: Convert to fraction form
    403,528/565,532 = 565,532/x
  3. Step 3: Cross multiply
    403,528x = 565,532 × 565,532
  4. Step 4: Simplify right side
    403,528x = 319,826,443,024
  5. Step 5: Solve for x
    x = 319,826,443,024/403,528
  6. Step 6: Final answer
    x = 792,575.59

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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.