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Finding the Third Proportional to 15,987.38 and 25,023.94

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Solution

The third proportional to 15,987.38 and 25,023.94 is: 39,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.38 : 25,023.94 = 25,023.94 : x
  2. Step 2: Convert to fraction form
    15,987.38/25,023.94 = 25,023.94/x
  3. Step 3: Cross multiply
    15,987.38x = 25,023.94 × 25,023.94
  4. Step 4: Simplify right side
    15,987.38x = 626,197,448.00
  5. Step 5: Solve for x
    x = 626,197,448.00/15,987.38
  6. Step 6: Final answer
    x = 39,168.25

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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.