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Finding the Third Proportional to 360,539 and 565,558

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Solution

The third proportional to 360,539 and 565,558 is: 887,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,539 : 565,558 = 565,558 : x
  2. Step 2: Convert to fraction form
    360,539/565,558 = 565,558/x
  3. Step 3: Cross multiply
    360,539x = 565,558 × 565,558
  4. Step 4: Simplify right side
    360,539x = 319,855,851,364
  5. Step 5: Solve for x
    x = 319,855,851,364/360,539
  6. Step 6: Final answer
    x = 887,160.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.