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Finding the Third Proportional to 28,290.50 and 62,230.50

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Solution

The third proportional to 28,290.50 and 62,230.50 is: 136,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.50 : 62,230.50 = 62,230.50 : x
  2. Step 2: Convert to fraction form
    28,290.50/62,230.50 = 62,230.50/x
  3. Step 3: Cross multiply
    28,290.50x = 62,230.50 × 62,230.50
  4. Step 4: Simplify right side
    28,290.50x = 3,872,635,130.25
  5. Step 5: Solve for x
    x = 3,872,635,130.25/28,290.50
  6. Step 6: Final answer
    x = 136,888.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.