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Finding the Third Proportional to 28,574 and 44,418

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Solution

The third proportional to 28,574 and 44,418 is: 69,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574 : 44,418 = 44,418 : x
  2. Step 2: Convert to fraction form
    28,574/44,418 = 44,418/x
  3. Step 3: Cross multiply
    28,574x = 44,418 × 44,418
  4. Step 4: Simplify right side
    28,574x = 1,972,958,724
  5. Step 5: Solve for x
    x = 1,972,958,724/28,574
  6. Step 6: Final answer
    x = 69,047.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.