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Finding the Third Proportional to 28,688 and 62,141

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Solution

The third proportional to 28,688 and 62,141 is: 134,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688 : 62,141 = 62,141 : x
  2. Step 2: Convert to fraction form
    28,688/62,141 = 62,141/x
  3. Step 3: Cross multiply
    28,688x = 62,141 × 62,141
  4. Step 4: Simplify right side
    28,688x = 3,861,503,881
  5. Step 5: Solve for x
    x = 3,861,503,881/28,688
  6. Step 6: Final answer
    x = 134,603.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.