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Finding the Third Proportional to 1,453,237.88 and 3,128,578.31

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Solution

The third proportional to 1,453,237.88 and 3,128,578.31 is: 6,735,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,237.88 : 3,128,578.31 = 3,128,578.31 : x
  2. Step 2: Convert to fraction form
    1,453,237.88/3,128,578.31 = 3,128,578.31/x
  3. Step 3: Cross multiply
    1,453,237.88x = 3,128,578.31 × 3,128,578.31
  4. Step 4: Simplify right side
    1,453,237.88x = 9,788,002,257,445.35
  5. Step 5: Solve for x
    x = 9,788,002,257,445.35/1,453,237.88
  6. Step 6: Final answer
    x = 6,735,306.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.