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Finding the Third Proportional to 302,270 and 661,996

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Solution

The third proportional to 302,270 and 661,996 is: 1,449,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,270 : 661,996 = 661,996 : x
  2. Step 2: Convert to fraction form
    302,270/661,996 = 661,996/x
  3. Step 3: Cross multiply
    302,270x = 661,996 × 661,996
  4. Step 4: Simplify right side
    302,270x = 438,238,704,016
  5. Step 5: Solve for x
    x = 438,238,704,016/302,270
  6. Step 6: Final answer
    x = 1,449,825.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.