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Finding the Third Proportional to 245,566 and 528,917

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Solution

The third proportional to 245,566 and 528,917 is: 1,139,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566 : 528,917 = 528,917 : x
  2. Step 2: Convert to fraction form
    245,566/528,917 = 528,917/x
  3. Step 3: Cross multiply
    245,566x = 528,917 × 528,917
  4. Step 4: Simplify right side
    245,566x = 279,753,192,889
  5. Step 5: Solve for x
    x = 279,753,192,889/245,566
  6. Step 6: Final answer
    x = 1,139,217.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.