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Finding the Third Proportional to 556,044.75 and 1,215,015.19

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Solution

The third proportional to 556,044.75 and 1,215,015.19 is: 2,654,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,044.75 : 1,215,015.19 = 1,215,015.19 : x
  2. Step 2: Convert to fraction form
    556,044.75/1,215,015.19 = 1,215,015.19/x
  3. Step 3: Cross multiply
    556,044.75x = 1,215,015.19 × 1,215,015.19
  4. Step 4: Simplify right side
    556,044.75x = 1,476,261,905,855.66
  5. Step 5: Solve for x
    x = 1,476,261,905,855.66/556,044.75
  6. Step 6: Final answer
    x = 2,654,933.63

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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.