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Finding the Third Proportional to 240,909.75 and 529,488

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Solution

The third proportional to 240,909.75 and 529,488 is: 1,163,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,909.75 : 529,488 = 529,488 : x
  2. Step 2: Convert to fraction form
    240,909.75/529,488 = 529,488/x
  3. Step 3: Cross multiply
    240,909.75x = 529,488 × 529,488
  4. Step 4: Simplify right side
    240,909.75x = 280,357,542,144
  5. Step 5: Solve for x
    x = 280,357,542,144/240,909.75
  6. Step 6: Final answer
    x = 1,163,745.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.