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Finding the Third Proportional to 261,626 and 565,063

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Solution

The third proportional to 261,626 and 565,063 is: 1,220,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,626 : 565,063 = 565,063 : x
  2. Step 2: Convert to fraction form
    261,626/565,063 = 565,063/x
  3. Step 3: Cross multiply
    261,626x = 565,063 × 565,063
  4. Step 4: Simplify right side
    261,626x = 319,296,193,969
  5. Step 5: Solve for x
    x = 319,296,193,969/261,626
  6. Step 6: Final answer
    x = 1,220,429.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.