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Finding the Third Proportional to 79,098.75 and 171,877.50

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Solution

The third proportional to 79,098.75 and 171,877.50 is: 373,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.75 : 171,877.50 = 171,877.50 : x
  2. Step 2: Convert to fraction form
    79,098.75/171,877.50 = 171,877.50/x
  3. Step 3: Cross multiply
    79,098.75x = 171,877.50 × 171,877.50
  4. Step 4: Simplify right side
    79,098.75x = 29,541,875,006.25
  5. Step 5: Solve for x
    x = 29,541,875,006.25/79,098.75
  6. Step 6: Final answer
    x = 373,480.93

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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.