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Finding the Third Proportional to 74,112 and 162,348

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Solution

The third proportional to 74,112 and 162,348 is: 355,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112 : 162,348 = 162,348 : x
  2. Step 2: Convert to fraction form
    74,112/162,348 = 162,348/x
  3. Step 3: Cross multiply
    74,112x = 162,348 × 162,348
  4. Step 4: Simplify right side
    74,112x = 26,356,873,104
  5. Step 5: Solve for x
    x = 26,356,873,104/74,112
  6. Step 6: Final answer
    x = 355,635.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.