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Finding the Third Proportional to 46,140 and 71,592

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Solution

The third proportional to 46,140 and 71,592 is: 111,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,140 : 71,592 = 71,592 : x
  2. Step 2: Convert to fraction form
    46,140/71,592 = 71,592/x
  3. Step 3: Cross multiply
    46,140x = 71,592 × 71,592
  4. Step 4: Simplify right side
    46,140x = 5,125,414,464
  5. Step 5: Solve for x
    x = 5,125,414,464/46,140
  6. Step 6: Final answer
    x = 111,083.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.