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Finding the Third Proportional to 35,786 and 77,727

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Solution

The third proportional to 35,786 and 77,727 is: 168,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786 : 77,727 = 77,727 : x
  2. Step 2: Convert to fraction form
    35,786/77,727 = 77,727/x
  3. Step 3: Cross multiply
    35,786x = 77,727 × 77,727
  4. Step 4: Simplify right side
    35,786x = 6,041,486,529
  5. Step 5: Solve for x
    x = 6,041,486,529/35,786
  6. Step 6: Final answer
    x = 168,822.63

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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.