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Finding the Third Proportional to 440,568 and 700,216

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Solution

The third proportional to 440,568 and 700,216 is: 1,112,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,568 : 700,216 = 700,216 : x
  2. Step 2: Convert to fraction form
    440,568/700,216 = 700,216/x
  3. Step 3: Cross multiply
    440,568x = 700,216 × 700,216
  4. Step 4: Simplify right side
    440,568x = 490,302,446,656
  5. Step 5: Solve for x
    x = 490,302,446,656/440,568
  6. Step 6: Final answer
    x = 1,112,887.11

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.