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Finding the Third Proportional to 691,797 and 883,957.50

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Solution

The third proportional to 691,797 and 883,957.50 is: 1,129,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,797 : 883,957.50 = 883,957.50 : x
  2. Step 2: Convert to fraction form
    691,797/883,957.50 = 883,957.50/x
  3. Step 3: Cross multiply
    691,797x = 883,957.50 × 883,957.50
  4. Step 4: Simplify right side
    691,797x = 781,380,861,806.25
  5. Step 5: Solve for x
    x = 781,380,861,806.25/691,797
  6. Step 6: Final answer
    x = 1,129,494.44

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.