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Finding the Third Proportional to 8,030 and 8,840

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Solution

The third proportional to 8,030 and 8,840 is: 9,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030 : 8,840 = 8,840 : x
  2. Step 2: Convert to fraction form
    8,030/8,840 = 8,840/x
  3. Step 3: Cross multiply
    8,030x = 8,840 × 8,840
  4. Step 4: Simplify right side
    8,030x = 78,145,600
  5. Step 5: Solve for x
    x = 78,145,600/8,030
  6. Step 6: Final answer
    x = 9,731.71

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.