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Finding the Third Proportional to 915.19 and 2,004.19

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Solution

The third proportional to 915.19 and 2,004.19 is: 4,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    915.19 : 2,004.19 = 2,004.19 : x
  2. Step 2: Convert to fraction form
    915.19/2,004.19 = 2,004.19/x
  3. Step 3: Cross multiply
    915.19x = 2,004.19 × 2,004.19
  4. Step 4: Simplify right side
    915.19x = 4,016,767.54
  5. Step 5: Solve for x
    x = 4,016,767.54/915.19
  6. Step 6: Final answer
    x = 4,389.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.