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Finding the Third Proportional to 201,618 and 439,524

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Solution

The third proportional to 201,618 and 439,524 is: 958,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,618 : 439,524 = 439,524 : x
  2. Step 2: Convert to fraction form
    201,618/439,524 = 439,524/x
  3. Step 3: Cross multiply
    201,618x = 439,524 × 439,524
  4. Step 4: Simplify right side
    201,618x = 193,181,346,576
  5. Step 5: Solve for x
    x = 193,181,346,576/201,618
  6. Step 6: Final answer
    x = 958,155.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.