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Finding the Third Proportional to 63,790.59 and 137,331.28

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Solution

The third proportional to 63,790.59 and 137,331.28 is: 295,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,790.59 : 137,331.28 = 137,331.28 : x
  2. Step 2: Convert to fraction form
    63,790.59/137,331.28 = 137,331.28/x
  3. Step 3: Cross multiply
    63,790.59x = 137,331.28 × 137,331.28
  4. Step 4: Simplify right side
    63,790.59x = 18,859,880,809.77
  5. Step 5: Solve for x
    x = 18,859,880,809.77/63,790.59
  6. Step 6: Final answer
    x = 295,653.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.