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Finding the Third Proportional to 3,110.63 and 6,521.63

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Solution

The third proportional to 3,110.63 and 6,521.63 is: 13,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.63 : 6,521.63 = 6,521.63 : x
  2. Step 2: Convert to fraction form
    3,110.63/6,521.63 = 6,521.63/x
  3. Step 3: Cross multiply
    3,110.63x = 6,521.63 × 6,521.63
  4. Step 4: Simplify right side
    3,110.63x = 42,531,592.64
  5. Step 5: Solve for x
    x = 42,531,592.64/3,110.63
  6. Step 6: Final answer
    x = 13,673.01

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.