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Finding the Third Proportional to 2,912 and 6,152.50

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Solution

The third proportional to 2,912 and 6,152.50 is: 12,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912 : 6,152.50 = 6,152.50 : x
  2. Step 2: Convert to fraction form
    2,912/6,152.50 = 6,152.50/x
  3. Step 3: Cross multiply
    2,912x = 6,152.50 × 6,152.50
  4. Step 4: Simplify right side
    2,912x = 37,853,256.25
  5. Step 5: Solve for x
    x = 37,853,256.25/2,912
  6. Step 6: Final answer
    x = 12,999.06

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.