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Finding the Third Proportional to 1,964,476.13 and 4,215,996

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Solution

The third proportional to 1,964,476.13 and 4,215,996 is: 9,048,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,476.13 : 4,215,996 = 4,215,996 : x
  2. Step 2: Convert to fraction form
    1,964,476.13/4,215,996 = 4,215,996/x
  3. Step 3: Cross multiply
    1,964,476.13x = 4,215,996 × 4,215,996
  4. Step 4: Simplify right side
    1,964,476.13x = 17,774,622,272,016
  5. Step 5: Solve for x
    x = 17,774,622,272,016/1,964,476.13
  6. Step 6: Final answer
    x = 9,048,021.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.