Home / 10,309,381.31-20,358,555.19

Finding the Third Proportional to 10,309,381.31 and 20,358,555.19

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Solution

The third proportional to 10,309,381.31 and 20,358,555.19 is: 40,203,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,381.31 : 20,358,555.19 = 20,358,555.19 : x
  2. Step 2: Convert to fraction form
    10,309,381.31/20,358,555.19 = 20,358,555.19/x
  3. Step 3: Cross multiply
    10,309,381.31x = 20,358,555.19 × 20,358,555.19
  4. Step 4: Simplify right side
    10,309,381.31x = 414,470,769,322,483.19
  5. Step 5: Solve for x
    x = 414,470,769,322,483.19/10,309,381.31
  6. Step 6: Final answer
    x = 40,203,263.10

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.