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Finding the Third Proportional to 368,389.13 and 550,308.94

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Solution

The third proportional to 368,389.13 and 550,308.94 is: 822,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,389.13 : 550,308.94 = 550,308.94 : x
  2. Step 2: Convert to fraction form
    368,389.13/550,308.94 = 550,308.94/x
  3. Step 3: Cross multiply
    368,389.13x = 550,308.94 × 550,308.94
  4. Step 4: Simplify right side
    368,389.13x = 302,839,926,692.38
  5. Step 5: Solve for x
    x = 302,839,926,692.38/368,389.13
  6. Step 6: Final answer
    x = 822,065.33

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Why These Related Problems?

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