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Finding the Third Proportional to 1,555,133.55 and 3,409,201.25

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Solution

The third proportional to 1,555,133.55 and 3,409,201.25 is: 7,473,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,133.55 : 3,409,201.25 = 3,409,201.25 : x
  2. Step 2: Convert to fraction form
    1,555,133.55/3,409,201.25 = 3,409,201.25/x
  3. Step 3: Cross multiply
    1,555,133.55x = 3,409,201.25 × 3,409,201.25
  4. Step 4: Simplify right side
    1,555,133.55x = 11,622,653,149,684.54
  5. Step 5: Solve for x
    x = 11,622,653,149,684.54/1,555,133.55
  6. Step 6: Final answer
    x = 7,473,733.12

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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.