Home / 1,239,731.25-1,878,309.38

Finding the Third Proportional to 1,239,731.25 and 1,878,309.38

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Solution

The third proportional to 1,239,731.25 and 1,878,309.38 is: 2,845,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,731.25 : 1,878,309.38 = 1,878,309.38 : x
  2. Step 2: Convert to fraction form
    1,239,731.25/1,878,309.38 = 1,878,309.38/x
  3. Step 3: Cross multiply
    1,239,731.25x = 1,878,309.38 × 1,878,309.38
  4. Step 4: Simplify right side
    1,239,731.25x = 3,528,046,108,212.89
  5. Step 5: Solve for x
    x = 3,528,046,108,212.89/1,239,731.25
  6. Step 6: Final answer
    x = 2,845,815.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.