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Finding the Third Proportional to 28,825.50 and 63,117

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Solution

The third proportional to 28,825.50 and 63,117 is: 138,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.50 : 63,117 = 63,117 : x
  2. Step 2: Convert to fraction form
    28,825.50/63,117 = 63,117/x
  3. Step 3: Cross multiply
    28,825.50x = 63,117 × 63,117
  4. Step 4: Simplify right side
    28,825.50x = 3,983,755,689
  5. Step 5: Solve for x
    x = 3,983,755,689/28,825.50
  6. Step 6: Final answer
    x = 138,202.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.