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Finding the Third Proportional to 384,469 and 841,317

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Solution

The third proportional to 384,469 and 841,317 is: 1,841,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,469 : 841,317 = 841,317 : x
  2. Step 2: Convert to fraction form
    384,469/841,317 = 841,317/x
  3. Step 3: Cross multiply
    384,469x = 841,317 × 841,317
  4. Step 4: Simplify right side
    384,469x = 707,814,294,489
  5. Step 5: Solve for x
    x = 707,814,294,489/384,469
  6. Step 6: Final answer
    x = 1,841,017.86

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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.