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Finding the Third Proportional to 410,604 and 614,247

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Solution

The third proportional to 410,604 and 614,247 is: 918,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,604 : 614,247 = 614,247 : x
  2. Step 2: Convert to fraction form
    410,604/614,247 = 614,247/x
  3. Step 3: Cross multiply
    410,604x = 614,247 × 614,247
  4. Step 4: Simplify right side
    410,604x = 377,299,377,009
  5. Step 5: Solve for x
    x = 377,299,377,009/410,604
  6. Step 6: Final answer
    x = 918,888.70

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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.