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Finding the Third Proportional to 335,613 and 654,216

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Solution

The third proportional to 335,613 and 654,216 is: 1,275,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,613 : 654,216 = 654,216 : x
  2. Step 2: Convert to fraction form
    335,613/654,216 = 654,216/x
  3. Step 3: Cross multiply
    335,613x = 654,216 × 654,216
  4. Step 4: Simplify right side
    335,613x = 427,998,574,656
  5. Step 5: Solve for x
    x = 427,998,574,656/335,613
  6. Step 6: Final answer
    x = 1,275,274.12

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.