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Finding the Third Proportional to 259,464 and 563,220

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Solution

The third proportional to 259,464 and 563,220 is: 1,222,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,464 : 563,220 = 563,220 : x
  2. Step 2: Convert to fraction form
    259,464/563,220 = 563,220/x
  3. Step 3: Cross multiply
    259,464x = 563,220 × 563,220
  4. Step 4: Simplify right side
    259,464x = 317,216,768,400
  5. Step 5: Solve for x
    x = 317,216,768,400/259,464
  6. Step 6: Final answer
    x = 1,222,584.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.