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Finding the Third Proportional to 28,143 and 44,190

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Solution

The third proportional to 28,143 and 44,190 is: 69,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143 : 44,190 = 44,190 : x
  2. Step 2: Convert to fraction form
    28,143/44,190 = 44,190/x
  3. Step 3: Cross multiply
    28,143x = 44,190 × 44,190
  4. Step 4: Simplify right side
    28,143x = 1,952,756,100
  5. Step 5: Solve for x
    x = 1,952,756,100/28,143
  6. Step 6: Final answer
    x = 69,386.92

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.