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Finding the Third Proportional to 20,038.50 and 43,255.13

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Solution

The third proportional to 20,038.50 and 43,255.13 is: 93,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.50 : 43,255.13 = 43,255.13 : x
  2. Step 2: Convert to fraction form
    20,038.50/43,255.13 = 43,255.13/x
  3. Step 3: Cross multiply
    20,038.50x = 43,255.13 × 43,255.13
  4. Step 4: Simplify right side
    20,038.50x = 1,871,005,838.77
  5. Step 5: Solve for x
    x = 1,871,005,838.77/20,038.50
  6. Step 6: Final answer
    x = 93,370.55

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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.