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Finding the Third Proportional to 11,501 and 18,242.50

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Solution

The third proportional to 11,501 and 18,242.50 is: 28,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501 : 18,242.50 = 18,242.50 : x
  2. Step 2: Convert to fraction form
    11,501/18,242.50 = 18,242.50/x
  3. Step 3: Cross multiply
    11,501x = 18,242.50 × 18,242.50
  4. Step 4: Simplify right side
    11,501x = 332,788,806.25
  5. Step 5: Solve for x
    x = 332,788,806.25/11,501
  6. Step 6: Final answer
    x = 28,935.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.