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Finding the Third Proportional to 63,868.50 and 138,603.94

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Solution

The third proportional to 63,868.50 and 138,603.94 is: 300,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,868.50 : 138,603.94 = 138,603.94 : x
  2. Step 2: Convert to fraction form
    63,868.50/138,603.94 = 138,603.94/x
  3. Step 3: Cross multiply
    63,868.50x = 138,603.94 × 138,603.94
  4. Step 4: Simplify right side
    63,868.50x = 19,211,051,490.50
  5. Step 5: Solve for x
    x = 19,211,051,490.50/63,868.50
  6. Step 6: Final answer
    x = 300,790.71

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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.