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Finding the Third Proportional to 79,125.19 and 168,628.50

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Solution

The third proportional to 79,125.19 and 168,628.50 is: 359,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.19 : 168,628.50 = 168,628.50 : x
  2. Step 2: Convert to fraction form
    79,125.19/168,628.50 = 168,628.50/x
  3. Step 3: Cross multiply
    79,125.19x = 168,628.50 × 168,628.50
  4. Step 4: Simplify right side
    79,125.19x = 28,435,571,012.25
  5. Step 5: Solve for x
    x = 28,435,571,012.25/79,125.19
  6. Step 6: Final answer
    x = 359,374.45

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.