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Finding the Third Proportional to 281,422 and 602,210

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Solution

The third proportional to 281,422 and 602,210 is: 1,288,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,422 : 602,210 = 602,210 : x
  2. Step 2: Convert to fraction form
    281,422/602,210 = 602,210/x
  3. Step 3: Cross multiply
    281,422x = 602,210 × 602,210
  4. Step 4: Simplify right side
    281,422x = 362,656,884,100
  5. Step 5: Solve for x
    x = 362,656,884,100/281,422
  6. Step 6: Final answer
    x = 1,288,658.61

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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.