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Finding the Third Proportional to 223,557 and 338,226

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Solution

The third proportional to 223,557 and 338,226 is: 511,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,557 : 338,226 = 338,226 : x
  2. Step 2: Convert to fraction form
    223,557/338,226 = 338,226/x
  3. Step 3: Cross multiply
    223,557x = 338,226 × 338,226
  4. Step 4: Simplify right side
    223,557x = 114,396,827,076
  5. Step 5: Solve for x
    x = 114,396,827,076/223,557
  6. Step 6: Final answer
    x = 511,712.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.