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Finding the Third Proportional to 79,053 and 170,722.50

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Solution

The third proportional to 79,053 and 170,722.50 is: 368,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,053 : 170,722.50 = 170,722.50 : x
  2. Step 2: Convert to fraction form
    79,053/170,722.50 = 170,722.50/x
  3. Step 3: Cross multiply
    79,053x = 170,722.50 × 170,722.50
  4. Step 4: Simplify right side
    79,053x = 29,146,172,006.25
  5. Step 5: Solve for x
    x = 29,146,172,006.25/79,053
  6. Step 6: Final answer
    x = 368,691.54

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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.