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Finding the Third Proportional to 206,871,090 and 450,062,568

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Solution

The third proportional to 206,871,090 and 450,062,568 is: 979,142,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,871,090 : 450,062,568 = 450,062,568 : x
  2. Step 2: Convert to fraction form
    206,871,090/450,062,568 = 450,062,568/x
  3. Step 3: Cross multiply
    206,871,090x = 450,062,568 × 450,062,568
  4. Step 4: Simplify right side
    206,871,090x = 202,556,315,114,754,624
  5. Step 5: Solve for x
    x = 202,556,315,114,754,624/206,871,090
  6. Step 6: Final answer
    x = 979,142,687.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.