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Finding the Third Proportional to 379,438.31 and 808,035.75

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Solution

The third proportional to 379,438.31 and 808,035.75 is: 1,720,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,438.31 : 808,035.75 = 808,035.75 : x
  2. Step 2: Convert to fraction form
    379,438.31/808,035.75 = 808,035.75/x
  3. Step 3: Cross multiply
    379,438.31x = 808,035.75 × 808,035.75
  4. Step 4: Simplify right side
    379,438.31x = 652,921,773,278.06
  5. Step 5: Solve for x
    x = 652,921,773,278.06/379,438.31
  6. Step 6: Final answer
    x = 1,720,758.69

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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.