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Finding the Third Proportional to 4,688 and 5,102

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Solution

The third proportional to 4,688 and 5,102 is: 5,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688 : 5,102 = 5,102 : x
  2. Step 2: Convert to fraction form
    4,688/5,102 = 5,102/x
  3. Step 3: Cross multiply
    4,688x = 5,102 × 5,102
  4. Step 4: Simplify right side
    4,688x = 26,030,404
  5. Step 5: Solve for x
    x = 26,030,404/4,688
  6. Step 6: Final answer
    x = 5,552.56

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.