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Finding the Third Proportional to 302,272 and 658,813

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Solution

The third proportional to 302,272 and 658,813 is: 1,435,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,272 : 658,813 = 658,813 : x
  2. Step 2: Convert to fraction form
    302,272/658,813 = 658,813/x
  3. Step 3: Cross multiply
    302,272x = 658,813 × 658,813
  4. Step 4: Simplify right side
    302,272x = 434,034,568,969
  5. Step 5: Solve for x
    x = 434,034,568,969/302,272
  6. Step 6: Final answer
    x = 1,435,907.29

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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.