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Finding the Third Proportional to 29,994 and 65,866

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Solution

The third proportional to 29,994 and 65,866 is: 144,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,994 : 65,866 = 65,866 : x
  2. Step 2: Convert to fraction form
    29,994/65,866 = 65,866/x
  3. Step 3: Cross multiply
    29,994x = 65,866 × 65,866
  4. Step 4: Simplify right side
    29,994x = 4,338,329,956
  5. Step 5: Solve for x
    x = 4,338,329,956/29,994
  6. Step 6: Final answer
    x = 144,639.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.