Home / 3,990,181.50-6,191,123.63

Finding the Third Proportional to 3,990,181.50 and 6,191,123.63

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Solution

The third proportional to 3,990,181.50 and 6,191,123.63 is: 9,606,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,181.50 : 6,191,123.63 = 6,191,123.63 : x
  2. Step 2: Convert to fraction form
    3,990,181.50/6,191,123.63 = 6,191,123.63/x
  3. Step 3: Cross multiply
    3,990,181.50x = 6,191,123.63 × 6,191,123.63
  4. Step 4: Simplify right side
    3,990,181.50x = 38,330,011,740,033.14
  5. Step 5: Solve for x
    x = 38,330,011,740,033.14/3,990,181.50
  6. Step 6: Final answer
    x = 9,606,082.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.