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Finding the Third Proportional to 79,907.34 and 172,268.44

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Solution

The third proportional to 79,907.34 and 172,268.44 is: 371,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,907.34 : 172,268.44 = 172,268.44 : x
  2. Step 2: Convert to fraction form
    79,907.34/172,268.44 = 172,268.44/x
  3. Step 3: Cross multiply
    79,907.34x = 172,268.44 × 172,268.44
  4. Step 4: Simplify right side
    79,907.34x = 29,676,414,558.69
  5. Step 5: Solve for x
    x = 29,676,414,558.69/79,907.34
  6. Step 6: Final answer
    x = 371,385.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.