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Finding the Third Proportional to 528,939 and 805,800

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Solution

The third proportional to 528,939 and 805,800 is: 1,227,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,939 : 805,800 = 805,800 : x
  2. Step 2: Convert to fraction form
    528,939/805,800 = 805,800/x
  3. Step 3: Cross multiply
    528,939x = 805,800 × 805,800
  4. Step 4: Simplify right side
    528,939x = 649,313,640,000
  5. Step 5: Solve for x
    x = 649,313,640,000/528,939
  6. Step 6: Final answer
    x = 1,227,577.55

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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.