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Finding the Third Proportional to 74,888 and 163,499

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Solution

The third proportional to 74,888 and 163,499 is: 356,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,888 : 163,499 = 163,499 : x
  2. Step 2: Convert to fraction form
    74,888/163,499 = 163,499/x
  3. Step 3: Cross multiply
    74,888x = 163,499 × 163,499
  4. Step 4: Simplify right side
    74,888x = 26,731,923,001
  5. Step 5: Solve for x
    x = 26,731,923,001/74,888
  6. Step 6: Final answer
    x = 356,958.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.