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Finding the Third Proportional to 1,235,955 and 1,909,929

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Solution

The third proportional to 1,235,955 and 1,909,929 is: 2,951,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,955 : 1,909,929 = 1,909,929 : x
  2. Step 2: Convert to fraction form
    1,235,955/1,909,929 = 1,909,929/x
  3. Step 3: Cross multiply
    1,235,955x = 1,909,929 × 1,909,929
  4. Step 4: Simplify right side
    1,235,955x = 3,647,828,785,041
  5. Step 5: Solve for x
    x = 3,647,828,785,041/1,235,955
  6. Step 6: Final answer
    x = 2,951,425.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.