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Finding the Third Proportional to 141,520 and 219,588

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Solution

The third proportional to 141,520 and 219,588 is: 340,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,520 : 219,588 = 219,588 : x
  2. Step 2: Convert to fraction form
    141,520/219,588 = 219,588/x
  3. Step 3: Cross multiply
    141,520x = 219,588 × 219,588
  4. Step 4: Simplify right side
    141,520x = 48,218,889,744
  5. Step 5: Solve for x
    x = 48,218,889,744/141,520
  6. Step 6: Final answer
    x = 340,721.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.