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Finding the Third Proportional to 217,080 and 469,260

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Solution

The third proportional to 217,080 and 469,260 is: 1,014,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,080 : 469,260 = 469,260 : x
  2. Step 2: Convert to fraction form
    217,080/469,260 = 469,260/x
  3. Step 3: Cross multiply
    217,080x = 469,260 × 469,260
  4. Step 4: Simplify right side
    217,080x = 220,204,947,600
  5. Step 5: Solve for x
    x = 220,204,947,600/217,080
  6. Step 6: Final answer
    x = 1,014,395.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.