Home / 1,155,399.19-2,493,478.13

Finding the Third Proportional to 1,155,399.19 and 2,493,478.13

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Solution

The third proportional to 1,155,399.19 and 2,493,478.13 is: 5,381,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,399.19 : 2,493,478.13 = 2,493,478.13 : x
  2. Step 2: Convert to fraction form
    1,155,399.19/2,493,478.13 = 2,493,478.13/x
  3. Step 3: Cross multiply
    1,155,399.19x = 2,493,478.13 × 2,493,478.13
  4. Step 4: Simplify right side
    1,155,399.19x = 6,217,433,159,853.52
  5. Step 5: Solve for x
    x = 6,217,433,159,853.52/1,155,399.19
  6. Step 6: Final answer
    x = 5,381,199.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.