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Finding the Third Proportional to 79,045.88 and 171,318.38

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Solution

The third proportional to 79,045.88 and 171,318.38 is: 371,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.88 : 171,318.38 = 171,318.38 : x
  2. Step 2: Convert to fraction form
    79,045.88/171,318.38 = 171,318.38/x
  3. Step 3: Cross multiply
    79,045.88x = 171,318.38 × 171,318.38
  4. Step 4: Simplify right side
    79,045.88x = 29,349,985,612.64
  5. Step 5: Solve for x
    x = 29,349,985,612.64/79,045.88
  6. Step 6: Final answer
    x = 371,303.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.