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Finding the Third Proportional to 43,173 and 62,289

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Solution

The third proportional to 43,173 and 62,289 is: 89,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173 : 62,289 = 62,289 : x
  2. Step 2: Convert to fraction form
    43,173/62,289 = 62,289/x
  3. Step 3: Cross multiply
    43,173x = 62,289 × 62,289
  4. Step 4: Simplify right side
    43,173x = 3,879,919,521
  5. Step 5: Solve for x
    x = 3,879,919,521/43,173
  6. Step 6: Final answer
    x = 89,869.12

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.