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Finding the Third Proportional to 217,052 and 465,254

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Solution

The third proportional to 217,052 and 465,254 is: 997,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,052 : 465,254 = 465,254 : x
  2. Step 2: Convert to fraction form
    217,052/465,254 = 465,254/x
  3. Step 3: Cross multiply
    217,052x = 465,254 × 465,254
  4. Step 4: Simplify right side
    217,052x = 216,461,284,516
  5. Step 5: Solve for x
    x = 216,461,284,516/217,052
  6. Step 6: Final answer
    x = 997,278.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.