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Finding the Third Proportional to 1,615,778 and 3,398,692

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Solution

The third proportional to 1,615,778 and 3,398,692 is: 7,148,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,778 : 3,398,692 = 3,398,692 : x
  2. Step 2: Convert to fraction form
    1,615,778/3,398,692 = 3,398,692/x
  3. Step 3: Cross multiply
    1,615,778x = 3,398,692 × 3,398,692
  4. Step 4: Simplify right side
    1,615,778x = 11,551,107,310,864
  5. Step 5: Solve for x
    x = 11,551,107,310,864/1,615,778
  6. Step 6: Final answer
    x = 7,148,944.54

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.