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Finding the Third Proportional to 4,062 and 5,157

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Solution

The third proportional to 4,062 and 5,157 is: 6,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062 : 5,157 = 5,157 : x
  2. Step 2: Convert to fraction form
    4,062/5,157 = 5,157/x
  3. Step 3: Cross multiply
    4,062x = 5,157 × 5,157
  4. Step 4: Simplify right side
    4,062x = 26,594,649
  5. Step 5: Solve for x
    x = 26,594,649/4,062
  6. Step 6: Final answer
    x = 6,547.18

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.