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Finding the Third Proportional to 17,985.80 and 28,151.93

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Solution

The third proportional to 17,985.80 and 28,151.93 is: 44,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.80 : 28,151.93 = 28,151.93 : x
  2. Step 2: Convert to fraction form
    17,985.80/28,151.93 = 28,151.93/x
  3. Step 3: Cross multiply
    17,985.80x = 28,151.93 × 28,151.93
  4. Step 4: Simplify right side
    17,985.80x = 792,531,145.13
  5. Step 5: Solve for x
    x = 792,531,145.13/17,985.80
  6. Step 6: Final answer
    x = 44,064.28

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.