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Finding the Third Proportional to 63,645.75 and 137,315.25

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Solution

The third proportional to 63,645.75 and 137,315.25 is: 296,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.75 : 137,315.25 = 137,315.25 : x
  2. Step 2: Convert to fraction form
    63,645.75/137,315.25 = 137,315.25/x
  3. Step 3: Cross multiply
    63,645.75x = 137,315.25 × 137,315.25
  4. Step 4: Simplify right side
    63,645.75x = 18,855,477,882.56
  5. Step 5: Solve for x
    x = 18,855,477,882.56/63,645.75
  6. Step 6: Final answer
    x = 296,256.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.