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Finding the Third Proportional to 13,089 and 28,351.50

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Solution

The third proportional to 13,089 and 28,351.50 is: 61,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089 : 28,351.50 = 28,351.50 : x
  2. Step 2: Convert to fraction form
    13,089/28,351.50 = 28,351.50/x
  3. Step 3: Cross multiply
    13,089x = 28,351.50 × 28,351.50
  4. Step 4: Simplify right side
    13,089x = 803,807,552.25
  5. Step 5: Solve for x
    x = 803,807,552.25/13,089
  6. Step 6: Final answer
    x = 61,410.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.