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Finding the Third Proportional to 74,788 and 159,952

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Solution

The third proportional to 74,788 and 159,952 is: 342,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788 : 159,952 = 159,952 : x
  2. Step 2: Convert to fraction form
    74,788/159,952 = 159,952/x
  3. Step 3: Cross multiply
    74,788x = 159,952 × 159,952
  4. Step 4: Simplify right side
    74,788x = 25,584,642,304
  5. Step 5: Solve for x
    x = 25,584,642,304/74,788
  6. Step 6: Final answer
    x = 342,095.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.