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Finding the Third Proportional to 74,040 and 108,282

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Solution

The third proportional to 74,040 and 108,282 is: 158,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040 : 108,282 = 108,282 : x
  2. Step 2: Convert to fraction form
    74,040/108,282 = 108,282/x
  3. Step 3: Cross multiply
    74,040x = 108,282 × 108,282
  4. Step 4: Simplify right side
    74,040x = 11,724,991,524
  5. Step 5: Solve for x
    x = 11,724,991,524/74,040
  6. Step 6: Final answer
    x = 158,360.23

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.