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Finding the Third Proportional to 28,099 and 61,565

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Solution

The third proportional to 28,099 and 61,565 is: 134,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099 : 61,565 = 61,565 : x
  2. Step 2: Convert to fraction form
    28,099/61,565 = 61,565/x
  3. Step 3: Cross multiply
    28,099x = 61,565 × 61,565
  4. Step 4: Simplify right side
    28,099x = 3,790,249,225
  5. Step 5: Solve for x
    x = 3,790,249,225/28,099
  6. Step 6: Final answer
    x = 134,889.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.