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Finding the Third Proportional to 28,450.13 and 40,980.38

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Solution

The third proportional to 28,450.13 and 40,980.38 is: 59,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.13 : 40,980.38 = 40,980.38 : x
  2. Step 2: Convert to fraction form
    28,450.13/40,980.38 = 40,980.38/x
  3. Step 3: Cross multiply
    28,450.13x = 40,980.38 × 40,980.38
  4. Step 4: Simplify right side
    28,450.13x = 1,679,391,135.14
  5. Step 5: Solve for x
    x = 1,679,391,135.14/28,450.13
  6. Step 6: Final answer
    x = 59,029.31

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.