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Finding the Third Proportional to 35,810 and 77,836

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Solution

The third proportional to 35,810 and 77,836 is: 169,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810 : 77,836 = 77,836 : x
  2. Step 2: Convert to fraction form
    35,810/77,836 = 77,836/x
  3. Step 3: Cross multiply
    35,810x = 77,836 × 77,836
  4. Step 4: Simplify right side
    35,810x = 6,058,442,896
  5. Step 5: Solve for x
    x = 6,058,442,896/35,810
  6. Step 6: Final answer
    x = 169,182.99

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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.