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Finding the Third Proportional to 13,587 and 28,047

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Solution

The third proportional to 13,587 and 28,047 is: 57,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587 : 28,047 = 28,047 : x
  2. Step 2: Convert to fraction form
    13,587/28,047 = 28,047/x
  3. Step 3: Cross multiply
    13,587x = 28,047 × 28,047
  4. Step 4: Simplify right side
    13,587x = 786,634,209
  5. Step 5: Solve for x
    x = 786,634,209/13,587
  6. Step 6: Final answer
    x = 57,896.09

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.