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Finding the Third Proportional to 35,854 and 77,993

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Solution

The third proportional to 35,854 and 77,993 is: 169,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854 : 77,993 = 77,993 : x
  2. Step 2: Convert to fraction form
    35,854/77,993 = 77,993/x
  3. Step 3: Cross multiply
    35,854x = 77,993 × 77,993
  4. Step 4: Simplify right side
    35,854x = 6,082,908,049
  5. Step 5: Solve for x
    x = 6,082,908,049/35,854
  6. Step 6: Final answer
    x = 169,657.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.