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Finding the Third Proportional to 79,685.02 and 173,389.36

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Solution

The third proportional to 79,685.02 and 173,389.36 is: 377,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685.02 : 173,389.36 = 173,389.36 : x
  2. Step 2: Convert to fraction form
    79,685.02/173,389.36 = 173,389.36/x
  3. Step 3: Cross multiply
    79,685.02x = 173,389.36 × 173,389.36
  4. Step 4: Simplify right side
    79,685.02x = 30,063,869,944.47
  5. Step 5: Solve for x
    x = 30,063,869,944.47/79,685.02
  6. Step 6: Final answer
    x = 377,283.86

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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.