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Finding the Third Proportional to 528,816 and 805,617

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Solution

The third proportional to 528,816 and 805,617 is: 1,227,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,816 : 805,617 = 805,617 : x
  2. Step 2: Convert to fraction form
    528,816/805,617 = 805,617/x
  3. Step 3: Cross multiply
    528,816x = 805,617 × 805,617
  4. Step 4: Simplify right side
    528,816x = 649,018,750,689
  5. Step 5: Solve for x
    x = 649,018,750,689/528,816
  6. Step 6: Final answer
    x = 1,227,305.43

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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.