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Finding the Third Proportional to 528,969 and 805,845

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Solution

The third proportional to 528,969 and 805,845 is: 1,227,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,969 : 805,845 = 805,845 : x
  2. Step 2: Convert to fraction form
    528,969/805,845 = 805,845/x
  3. Step 3: Cross multiply
    528,969x = 805,845 × 805,845
  4. Step 4: Simplify right side
    528,969x = 649,386,164,025
  5. Step 5: Solve for x
    x = 649,386,164,025/528,969
  6. Step 6: Final answer
    x = 1,227,645.03

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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.