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Finding the Third Proportional to 201,887 and 437,213

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Solution

The third proportional to 201,887 and 437,213 is: 946,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,887 : 437,213 = 437,213 : x
  2. Step 2: Convert to fraction form
    201,887/437,213 = 437,213/x
  3. Step 3: Cross multiply
    201,887x = 437,213 × 437,213
  4. Step 4: Simplify right side
    201,887x = 191,155,207,369
  5. Step 5: Solve for x
    x = 191,155,207,369/201,887
  6. Step 6: Final answer
    x = 946,842.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.