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Finding the Third Proportional to 4,613 and 5,207

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Solution

The third proportional to 4,613 and 5,207 is: 5,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613 : 5,207 = 5,207 : x
  2. Step 2: Convert to fraction form
    4,613/5,207 = 5,207/x
  3. Step 3: Cross multiply
    4,613x = 5,207 × 5,207
  4. Step 4: Simplify right side
    4,613x = 27,112,849
  5. Step 5: Solve for x
    x = 27,112,849/4,613
  6. Step 6: Final answer
    x = 5,877.49

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.