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Finding the Third Proportional to 2,907.56 and 6,225.19

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Solution

The third proportional to 2,907.56 and 6,225.19 is: 13,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.56 : 6,225.19 = 6,225.19 : x
  2. Step 2: Convert to fraction form
    2,907.56/6,225.19 = 6,225.19/x
  3. Step 3: Cross multiply
    2,907.56x = 6,225.19 × 6,225.19
  4. Step 4: Simplify right side
    2,907.56x = 38,752,959.41
  5. Step 5: Solve for x
    x = 38,752,959.41/2,907.56
  6. Step 6: Final answer
    x = 13,328.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.