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Finding the Third Proportional to 261,630 and 563,193

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Solution

The third proportional to 261,630 and 563,193 is: 1,212,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,630 : 563,193 = 563,193 : x
  2. Step 2: Convert to fraction form
    261,630/563,193 = 563,193/x
  3. Step 3: Cross multiply
    261,630x = 563,193 × 563,193
  4. Step 4: Simplify right side
    261,630x = 317,186,355,249
  5. Step 5: Solve for x
    x = 317,186,355,249/261,630
  6. Step 6: Final answer
    x = 1,212,347.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.