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Finding the Third Proportional to 222,916 and 345,552

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Solution

The third proportional to 222,916 and 345,552 is: 535,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,916 : 345,552 = 345,552 : x
  2. Step 2: Convert to fraction form
    222,916/345,552 = 345,552/x
  3. Step 3: Cross multiply
    222,916x = 345,552 × 345,552
  4. Step 4: Simplify right side
    222,916x = 119,406,184,704
  5. Step 5: Solve for x
    x = 119,406,184,704/222,916
  6. Step 6: Final answer
    x = 535,655.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.