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Finding the Third Proportional to 170,901 and 265,308.75

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Solution

The third proportional to 170,901 and 265,308.75 is: 411,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,901 : 265,308.75 = 265,308.75 : x
  2. Step 2: Convert to fraction form
    170,901/265,308.75 = 265,308.75/x
  3. Step 3: Cross multiply
    170,901x = 265,308.75 × 265,308.75
  4. Step 4: Simplify right side
    170,901x = 70,388,732,826.56
  5. Step 5: Solve for x
    x = 70,388,732,826.56/170,901
  6. Step 6: Final answer
    x = 411,868.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.