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Finding the Third Proportional to 201,174 and 439,715

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Solution

The third proportional to 201,174 and 439,715 is: 961,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,174 : 439,715 = 439,715 : x
  2. Step 2: Convert to fraction form
    201,174/439,715 = 439,715/x
  3. Step 3: Cross multiply
    201,174x = 439,715 × 439,715
  4. Step 4: Simplify right side
    201,174x = 193,349,281,225
  5. Step 5: Solve for x
    x = 193,349,281,225/201,174
  6. Step 6: Final answer
    x = 961,104.72

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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.