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Finding the Third Proportional to 131,616 and 286,592

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Solution

The third proportional to 131,616 and 286,592 is: 624,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,616 : 286,592 = 286,592 : x
  2. Step 2: Convert to fraction form
    131,616/286,592 = 286,592/x
  3. Step 3: Cross multiply
    131,616x = 286,592 × 286,592
  4. Step 4: Simplify right side
    131,616x = 82,134,974,464
  5. Step 5: Solve for x
    x = 82,134,974,464/131,616
  6. Step 6: Final answer
    x = 624,050.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.