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Finding the Third Proportional to 368,396 and 550,320

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Solution

The third proportional to 368,396 and 550,320 is: 822,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,396 : 550,320 = 550,320 : x
  2. Step 2: Convert to fraction form
    368,396/550,320 = 550,320/x
  3. Step 3: Cross multiply
    368,396x = 550,320 × 550,320
  4. Step 4: Simplify right side
    368,396x = 302,852,102,400
  5. Step 5: Solve for x
    x = 302,852,102,400/368,396
  6. Step 6: Final answer
    x = 822,083.04

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.