Home / 3,091,787.72-4,065,686.16

Finding the Third Proportional to 3,091,787.72 and 4,065,686.16

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Solution

The third proportional to 3,091,787.72 and 4,065,686.16 is: 5,346,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,787.72 : 4,065,686.16 = 4,065,686.16 : x
  2. Step 2: Convert to fraction form
    3,091,787.72/4,065,686.16 = 4,065,686.16/x
  3. Step 3: Cross multiply
    3,091,787.72x = 4,065,686.16 × 4,065,686.16
  4. Step 4: Simplify right side
    3,091,787.72x = 16,529,803,921,122.90
  5. Step 5: Solve for x
    x = 16,529,803,921,122.90/3,091,787.72
  6. Step 6: Final answer
    x = 5,346,357.97

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.