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Finding the Third Proportional to 465,679 and 711,884

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Solution

The third proportional to 465,679 and 711,884 is: 1,088,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,679 : 711,884 = 711,884 : x
  2. Step 2: Convert to fraction form
    465,679/711,884 = 711,884/x
  3. Step 3: Cross multiply
    465,679x = 711,884 × 711,884
  4. Step 4: Simplify right side
    465,679x = 506,778,829,456
  5. Step 5: Solve for x
    x = 506,778,829,456/465,679
  6. Step 6: Final answer
    x = 1,088,257.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.