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Finding the Third Proportional to 408,462.75 and 886,666.50

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Solution

The third proportional to 408,462.75 and 886,666.50 is: 1,924,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,462.75 : 886,666.50 = 886,666.50 : x
  2. Step 2: Convert to fraction form
    408,462.75/886,666.50 = 886,666.50/x
  3. Step 3: Cross multiply
    408,462.75x = 886,666.50 × 886,666.50
  4. Step 4: Simplify right side
    408,462.75x = 786,177,482,222.25
  5. Step 5: Solve for x
    x = 786,177,482,222.25/408,462.75
  6. Step 6: Final answer
    x = 1,924,722.59

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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.