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Finding the Third Proportional to 170,271.75 and 361,298.25

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Solution

The third proportional to 170,271.75 and 361,298.25 is: 766,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,271.75 : 361,298.25 = 361,298.25 : x
  2. Step 2: Convert to fraction form
    170,271.75/361,298.25 = 361,298.25/x
  3. Step 3: Cross multiply
    170,271.75x = 361,298.25 × 361,298.25
  4. Step 4: Simplify right side
    170,271.75x = 130,536,425,453.06
  5. Step 5: Solve for x
    x = 130,536,425,453.06/170,271.75
  6. Step 6: Final answer
    x = 766,635.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.