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Finding the Third Proportional to 5,522 and 7,862

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Solution

The third proportional to 5,522 and 7,862 is: 11,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522 : 7,862 = 7,862 : x
  2. Step 2: Convert to fraction form
    5,522/7,862 = 7,862/x
  3. Step 3: Cross multiply
    5,522x = 7,862 × 7,862
  4. Step 4: Simplify right side
    5,522x = 61,811,044
  5. Step 5: Solve for x
    x = 61,811,044/5,522
  6. Step 6: Final answer
    x = 11,193.60

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.