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Finding the Third Proportional to 302,317 and 659,892

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Solution

The third proportional to 302,317 and 659,892 is: 1,440,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,317 : 659,892 = 659,892 : x
  2. Step 2: Convert to fraction form
    302,317/659,892 = 659,892/x
  3. Step 3: Cross multiply
    302,317x = 659,892 × 659,892
  4. Step 4: Simplify right side
    302,317x = 435,457,451,664
  5. Step 5: Solve for x
    x = 435,457,451,664/302,317
  6. Step 6: Final answer
    x = 1,440,400.15

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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.