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Finding the Third Proportional to 691,816 and 883,982

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Solution

The third proportional to 691,816 and 883,982 is: 1,129,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,816 : 883,982 = 883,982 : x
  2. Step 2: Convert to fraction form
    691,816/883,982 = 883,982/x
  3. Step 3: Cross multiply
    691,816x = 883,982 × 883,982
  4. Step 4: Simplify right side
    691,816x = 781,424,176,324
  5. Step 5: Solve for x
    x = 781,424,176,324/691,816
  6. Step 6: Final answer
    x = 1,129,526.02

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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.