Home / 135,109,398.38-294,993,132.19

Finding the Third Proportional to 135,109,398.38 and 294,993,132.19

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Solution

The third proportional to 135,109,398.38 and 294,993,132.19 is: 644,077,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,109,398.38 : 294,993,132.19 = 294,993,132.19 : x
  2. Step 2: Convert to fraction form
    135,109,398.38/294,993,132.19 = 294,993,132.19/x
  3. Step 3: Cross multiply
    135,109,398.38x = 294,993,132.19 × 294,993,132.19
  4. Step 4: Simplify right side
    135,109,398.38x = 87,020,948,037,791,856
  5. Step 5: Solve for x
    x = 87,020,948,037,791,856/135,109,398.38
  6. Step 6: Final answer
    x = 644,077,681.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.