Home / 5,182,112.32-8,128,505.04

Finding the Third Proportional to 5,182,112.32 and 8,128,505.04

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Solution

The third proportional to 5,182,112.32 and 8,128,505.04 is: 12,750,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,112.32 : 8,128,505.04 = 8,128,505.04 : x
  2. Step 2: Convert to fraction form
    5,182,112.32/8,128,505.04 = 8,128,505.04/x
  3. Step 3: Cross multiply
    5,182,112.32x = 8,128,505.04 × 8,128,505.04
  4. Step 4: Simplify right side
    5,182,112.32x = 66,072,594,170,064.45
  5. Step 5: Solve for x
    x = 66,072,594,170,064.45/5,182,112.32
  6. Step 6: Final answer
    x = 12,750,127.76

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.