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Finding the Third Proportional to 201,176 and 439,719

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Solution

The third proportional to 201,176 and 439,719 is: 961,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,176 : 439,719 = 439,719 : x
  2. Step 2: Convert to fraction form
    201,176/439,719 = 439,719/x
  3. Step 3: Cross multiply
    201,176x = 439,719 × 439,719
  4. Step 4: Simplify right side
    201,176x = 193,352,798,961
  5. Step 5: Solve for x
    x = 193,352,798,961/201,176
  6. Step 6: Final answer
    x = 961,112.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.