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Finding the Third Proportional to 7,258 and 8,538

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Solution

The third proportional to 7,258 and 8,538 is: 10,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258 : 8,538 = 8,538 : x
  2. Step 2: Convert to fraction form
    7,258/8,538 = 8,538/x
  3. Step 3: Cross multiply
    7,258x = 8,538 × 8,538
  4. Step 4: Simplify right side
    7,258x = 72,897,444
  5. Step 5: Solve for x
    x = 72,897,444/7,258
  6. Step 6: Final answer
    x = 10,043.74

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.