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Finding the Third Proportional to 192,420 and 301,843.13

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Solution

The third proportional to 192,420 and 301,843.13 is: 473,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420 : 301,843.13 = 301,843.13 : x
  2. Step 2: Convert to fraction form
    192,420/301,843.13 = 301,843.13/x
  3. Step 3: Cross multiply
    192,420x = 301,843.13 × 301,843.13
  4. Step 4: Simplify right side
    192,420x = 91,109,272,109.77
  5. Step 5: Solve for x
    x = 91,109,272,109.77/192,420
  6. Step 6: Final answer
    x = 473,491.70

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.