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Finding the Third Proportional to 19,089.56 and 28,309.13

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Solution

The third proportional to 19,089.56 and 28,309.13 is: 41,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.56 : 28,309.13 = 28,309.13 : x
  2. Step 2: Convert to fraction form
    19,089.56/28,309.13 = 28,309.13/x
  3. Step 3: Cross multiply
    19,089.56x = 28,309.13 × 28,309.13
  4. Step 4: Simplify right side
    19,089.56x = 801,406,558.27
  5. Step 5: Solve for x
    x = 801,406,558.27/19,089.56
  6. Step 6: Final answer
    x = 41,981.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.