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Finding the Third Proportional to 43,893 and 68,076

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Solution

The third proportional to 43,893 and 68,076 is: 105,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893 : 68,076 = 68,076 : x
  2. Step 2: Convert to fraction form
    43,893/68,076 = 68,076/x
  3. Step 3: Cross multiply
    43,893x = 68,076 × 68,076
  4. Step 4: Simplify right side
    43,893x = 4,634,341,776
  5. Step 5: Solve for x
    x = 4,634,341,776/43,893
  6. Step 6: Final answer
    x = 105,582.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.