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Finding the Third Proportional to 79,018.88 and 171,433.13

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Solution

The third proportional to 79,018.88 and 171,433.13 is: 371,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018.88 : 171,433.13 = 171,433.13 : x
  2. Step 2: Convert to fraction form
    79,018.88/171,433.13 = 171,433.13/x
  3. Step 3: Cross multiply
    79,018.88x = 171,433.13 × 171,433.13
  4. Step 4: Simplify right side
    79,018.88x = 29,389,316,347.27
  5. Step 5: Solve for x
    x = 29,389,316,347.27/79,018.88
  6. Step 6: Final answer
    x = 371,927.80

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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.