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Finding the Third Proportional to 528,825.13 and 805,630.69

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Solution

The third proportional to 528,825.13 and 805,630.69 is: 1,227,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,825.13 : 805,630.69 = 805,630.69 : x
  2. Step 2: Convert to fraction form
    528,825.13/805,630.69 = 805,630.69/x
  3. Step 3: Cross multiply
    528,825.13x = 805,630.69 × 805,630.69
  4. Step 4: Simplify right side
    528,825.13x = 649,040,804,641.72
  5. Step 5: Solve for x
    x = 649,040,804,641.72/528,825.13
  6. Step 6: Final answer
    x = 1,227,325.96

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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.