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Finding the Third Proportional to 528,828 and 805,634

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Solution

The third proportional to 528,828 and 805,634 is: 1,227,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,828 : 805,634 = 805,634 : x
  2. Step 2: Convert to fraction form
    528,828/805,634 = 805,634/x
  3. Step 3: Cross multiply
    528,828x = 805,634 × 805,634
  4. Step 4: Simplify right side
    528,828x = 649,046,141,956
  5. Step 5: Solve for x
    x = 649,046,141,956/528,828
  6. Step 6: Final answer
    x = 1,227,329.38

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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.