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Finding the Third Proportional to 35,370 and 76,878

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Solution

The third proportional to 35,370 and 76,878 is: 167,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370 : 76,878 = 76,878 : x
  2. Step 2: Convert to fraction form
    35,370/76,878 = 76,878/x
  3. Step 3: Cross multiply
    35,370x = 76,878 × 76,878
  4. Step 4: Simplify right side
    35,370x = 5,910,226,884
  5. Step 5: Solve for x
    x = 5,910,226,884/35,370
  6. Step 6: Final answer
    x = 167,097.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.