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Finding the Third Proportional to 498 and 1,159

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Solution

The third proportional to 498 and 1,159 is: 2,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498 : 1,159 = 1,159 : x
  2. Step 2: Convert to fraction form
    498/1,159 = 1,159/x
  3. Step 3: Cross multiply
    498x = 1,159 × 1,159
  4. Step 4: Simplify right side
    498x = 1,343,281
  5. Step 5: Solve for x
    x = 1,343,281/498
  6. Step 6: Final answer
    x = 2,697.35

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.