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Finding the Third Proportional to 1,557,159 and 3,378,702

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Solution

The third proportional to 1,557,159 and 3,378,702 is: 7,331,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,159 : 3,378,702 = 3,378,702 : x
  2. Step 2: Convert to fraction form
    1,557,159/3,378,702 = 3,378,702/x
  3. Step 3: Cross multiply
    1,557,159x = 3,378,702 × 3,378,702
  4. Step 4: Simplify right side
    1,557,159x = 11,415,627,204,804
  5. Step 5: Solve for x
    x = 11,415,627,204,804/1,557,159
  6. Step 6: Final answer
    x = 7,331,060.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.