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Finding the Third Proportional to 223,146 and 339,948

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Solution

The third proportional to 223,146 and 339,948 is: 517,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,146 : 339,948 = 339,948 : x
  2. Step 2: Convert to fraction form
    223,146/339,948 = 339,948/x
  3. Step 3: Cross multiply
    223,146x = 339,948 × 339,948
  4. Step 4: Simplify right side
    223,146x = 115,564,642,704
  5. Step 5: Solve for x
    x = 115,564,642,704/223,146
  6. Step 6: Final answer
    x = 517,888.03

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.