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Finding the Third Proportional to 386,062 and 556,941

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Solution

The third proportional to 386,062 and 556,941 is: 803,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,062 : 556,941 = 556,941 : x
  2. Step 2: Convert to fraction form
    386,062/556,941 = 556,941/x
  3. Step 3: Cross multiply
    386,062x = 556,941 × 556,941
  4. Step 4: Simplify right side
    386,062x = 310,183,277,481
  5. Step 5: Solve for x
    x = 310,183,277,481/386,062
  6. Step 6: Final answer
    x = 803,454.57

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.