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Finding the Third Proportional to 62,491 and 89,299

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Solution

The third proportional to 62,491 and 89,299 is: 127,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491 : 89,299 = 89,299 : x
  2. Step 2: Convert to fraction form
    62,491/89,299 = 89,299/x
  3. Step 3: Cross multiply
    62,491x = 89,299 × 89,299
  4. Step 4: Simplify right side
    62,491x = 7,974,311,401
  5. Step 5: Solve for x
    x = 7,974,311,401/62,491
  6. Step 6: Final answer
    x = 127,607.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.