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Finding the Third Proportional to 222,178 and 486,548

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Solution

The third proportional to 222,178 and 486,548 is: 1,065,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,178 : 486,548 = 486,548 : x
  2. Step 2: Convert to fraction form
    222,178/486,548 = 486,548/x
  3. Step 3: Cross multiply
    222,178x = 486,548 × 486,548
  4. Step 4: Simplify right side
    222,178x = 236,728,956,304
  5. Step 5: Solve for x
    x = 236,728,956,304/222,178
  6. Step 6: Final answer
    x = 1,065,492.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.