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Finding the Third Proportional to 1,326,910.50 and 3,118,986

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Solution

The third proportional to 1,326,910.50 and 3,118,986 is: 7,331,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,910.50 : 3,118,986 = 3,118,986 : x
  2. Step 2: Convert to fraction form
    1,326,910.50/3,118,986 = 3,118,986/x
  3. Step 3: Cross multiply
    1,326,910.50x = 3,118,986 × 3,118,986
  4. Step 4: Simplify right side
    1,326,910.50x = 9,728,073,668,196
  5. Step 5: Solve for x
    x = 9,728,073,668,196/1,326,910.50
  6. Step 6: Final answer
    x = 7,331,371.38

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.