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Finding the Third Proportional to 403,038 and 879,759

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Solution

The third proportional to 403,038 and 879,759 is: 1,920,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,038 : 879,759 = 879,759 : x
  2. Step 2: Convert to fraction form
    403,038/879,759 = 879,759/x
  3. Step 3: Cross multiply
    403,038x = 879,759 × 879,759
  4. Step 4: Simplify right side
    403,038x = 773,975,898,081
  5. Step 5: Solve for x
    x = 773,975,898,081/403,038
  6. Step 6: Final answer
    x = 1,920,354.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.