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Finding the Third Proportional to 7,427 and 8,534

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Solution

The third proportional to 7,427 and 8,534 is: 9,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427 : 8,534 = 8,534 : x
  2. Step 2: Convert to fraction form
    7,427/8,534 = 8,534/x
  3. Step 3: Cross multiply
    7,427x = 8,534 × 8,534
  4. Step 4: Simplify right side
    7,427x = 72,829,156
  5. Step 5: Solve for x
    x = 72,829,156/7,427
  6. Step 6: Final answer
    x = 9,806.00

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.