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Finding the Third Proportional to 244,919 and 358,990

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Solution

The third proportional to 244,919 and 358,990 is: 526,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,919 : 358,990 = 358,990 : x
  2. Step 2: Convert to fraction form
    244,919/358,990 = 358,990/x
  3. Step 3: Cross multiply
    244,919x = 358,990 × 358,990
  4. Step 4: Simplify right side
    244,919x = 128,873,820,100
  5. Step 5: Solve for x
    x = 128,873,820,100/244,919
  6. Step 6: Final answer
    x = 526,189.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.