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Finding the Third Proportional to 528,838 and 805,647

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Solution

The third proportional to 528,838 and 805,647 is: 1,227,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,838 : 805,647 = 805,647 : x
  2. Step 2: Convert to fraction form
    528,838/805,647 = 805,647/x
  3. Step 3: Cross multiply
    528,838x = 805,647 × 805,647
  4. Step 4: Simplify right side
    528,838x = 649,067,088,609
  5. Step 5: Solve for x
    x = 649,067,088,609/528,838
  6. Step 6: Final answer
    x = 1,227,345.78

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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.