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Finding the Third Proportional to 141,802 and 212,701

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Solution

The third proportional to 141,802 and 212,701 is: 319,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,802 : 212,701 = 212,701 : x
  2. Step 2: Convert to fraction form
    141,802/212,701 = 212,701/x
  3. Step 3: Cross multiply
    141,802x = 212,701 × 212,701
  4. Step 4: Simplify right side
    141,802x = 45,241,715,401
  5. Step 5: Solve for x
    x = 45,241,715,401/141,802
  6. Step 6: Final answer
    x = 319,048.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.