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Finding the Third Proportional to 153,520 and 361,884

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Solution

The third proportional to 153,520 and 361,884 is: 853,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,520 : 361,884 = 361,884 : x
  2. Step 2: Convert to fraction form
    153,520/361,884 = 361,884/x
  3. Step 3: Cross multiply
    153,520x = 361,884 × 361,884
  4. Step 4: Simplify right side
    153,520x = 130,960,029,456
  5. Step 5: Solve for x
    x = 130,960,029,456/153,520
  6. Step 6: Final answer
    x = 853,048.65

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.