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Finding the Third Proportional to 556,027 and 1,214,021

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Solution

The third proportional to 556,027 and 1,214,021 is: 2,650,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,027 : 1,214,021 = 1,214,021 : x
  2. Step 2: Convert to fraction form
    556,027/1,214,021 = 1,214,021/x
  3. Step 3: Cross multiply
    556,027x = 1,214,021 × 1,214,021
  4. Step 4: Simplify right side
    556,027x = 1,473,846,988,441
  5. Step 5: Solve for x
    x = 1,473,846,988,441/556,027
  6. Step 6: Final answer
    x = 2,650,675.22

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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.