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Finding the Third Proportional to 79,988.63 and 175,043.25

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Solution

The third proportional to 79,988.63 and 175,043.25 is: 383,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988.63 : 175,043.25 = 175,043.25 : x
  2. Step 2: Convert to fraction form
    79,988.63/175,043.25 = 175,043.25/x
  3. Step 3: Cross multiply
    79,988.63x = 175,043.25 × 175,043.25
  4. Step 4: Simplify right side
    79,988.63x = 30,640,139,370.56
  5. Step 5: Solve for x
    x = 30,640,139,370.56/79,988.63
  6. Step 6: Final answer
    x = 383,056.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.