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Finding the Third Proportional to 528,868 and 805,698

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Solution

The third proportional to 528,868 and 805,698 is: 1,227,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,868 : 805,698 = 805,698 : x
  2. Step 2: Convert to fraction form
    528,868/805,698 = 805,698/x
  3. Step 3: Cross multiply
    528,868x = 805,698 × 805,698
  4. Step 4: Simplify right side
    528,868x = 649,149,267,204
  5. Step 5: Solve for x
    x = 649,149,267,204/528,868
  6. Step 6: Final answer
    x = 1,227,431.55

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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.