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Finding the Third Proportional to 368,402 and 550,327

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Solution

The third proportional to 368,402 and 550,327 is: 822,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,402 : 550,327 = 550,327 : x
  2. Step 2: Convert to fraction form
    368,402/550,327 = 550,327/x
  3. Step 3: Cross multiply
    368,402x = 550,327 × 550,327
  4. Step 4: Simplify right side
    368,402x = 302,859,806,929
  5. Step 5: Solve for x
    x = 302,859,806,929/368,402
  6. Step 6: Final answer
    x = 822,090.56

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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.