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Finding the Third Proportional to 215,262 and 473,298

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Solution

The third proportional to 215,262 and 473,298 is: 1,040,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,262 : 473,298 = 473,298 : x
  2. Step 2: Convert to fraction form
    215,262/473,298 = 473,298/x
  3. Step 3: Cross multiply
    215,262x = 473,298 × 473,298
  4. Step 4: Simplify right side
    215,262x = 224,010,996,804
  5. Step 5: Solve for x
    x = 224,010,996,804/215,262
  6. Step 6: Final answer
    x = 1,040,643.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.