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Finding the Third Proportional to 51,639.19 and 113,106.38

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Solution

The third proportional to 51,639.19 and 113,106.38 is: 247,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.19 : 113,106.38 = 113,106.38 : x
  2. Step 2: Convert to fraction form
    51,639.19/113,106.38 = 113,106.38/x
  3. Step 3: Cross multiply
    51,639.19x = 113,106.38 × 113,106.38
  4. Step 4: Simplify right side
    51,639.19x = 12,793,052,065.64
  5. Step 5: Solve for x
    x = 12,793,052,065.64/51,639.19
  6. Step 6: Final answer
    x = 247,739.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.