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Finding the Third Proportional to 410,447 and 614,019

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Solution

The third proportional to 410,447 and 614,019 is: 918,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,447 : 614,019 = 614,019 : x
  2. Step 2: Convert to fraction form
    410,447/614,019 = 614,019/x
  3. Step 3: Cross multiply
    410,447x = 614,019 × 614,019
  4. Step 4: Simplify right side
    410,447x = 377,019,332,361
  5. Step 5: Solve for x
    x = 377,019,332,361/410,447
  6. Step 6: Final answer
    x = 918,557.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.