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Finding the Third Proportional to 153,539 and 235,169

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Solution

The third proportional to 153,539 and 235,169 is: 360,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,539 : 235,169 = 235,169 : x
  2. Step 2: Convert to fraction form
    153,539/235,169 = 235,169/x
  3. Step 3: Cross multiply
    153,539x = 235,169 × 235,169
  4. Step 4: Simplify right side
    153,539x = 55,304,458,561
  5. Step 5: Solve for x
    x = 55,304,458,561/153,539
  6. Step 6: Final answer
    x = 360,198.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.