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Finding the Third Proportional to 82,894 and 178,748

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Solution

The third proportional to 82,894 and 178,748 is: 385,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,894 : 178,748 = 178,748 : x
  2. Step 2: Convert to fraction form
    82,894/178,748 = 178,748/x
  3. Step 3: Cross multiply
    82,894x = 178,748 × 178,748
  4. Step 4: Simplify right side
    82,894x = 31,950,847,504
  5. Step 5: Solve for x
    x = 31,950,847,504/82,894
  6. Step 6: Final answer
    x = 385,442.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.