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Finding the Third Proportional to 44,072 and 67,140

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Solution

The third proportional to 44,072 and 67,140 is: 102,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,072 : 67,140 = 67,140 : x
  2. Step 2: Convert to fraction form
    44,072/67,140 = 67,140/x
  3. Step 3: Cross multiply
    44,072x = 67,140 × 67,140
  4. Step 4: Simplify right side
    44,072x = 4,507,779,600
  5. Step 5: Solve for x
    x = 4,507,779,600/44,072
  6. Step 6: Final answer
    x = 102,282.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.