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Finding the Third Proportional to 74,882 and 163,864

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Solution

The third proportional to 74,882 and 163,864 is: 358,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882 : 163,864 = 163,864 : x
  2. Step 2: Convert to fraction form
    74,882/163,864 = 163,864/x
  3. Step 3: Cross multiply
    74,882x = 163,864 × 163,864
  4. Step 4: Simplify right side
    74,882x = 26,851,410,496
  5. Step 5: Solve for x
    x = 26,851,410,496/74,882
  6. Step 6: Final answer
    x = 358,582.98

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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.