Home / 85,688,264.31-130,540,143.44

Finding the Third Proportional to 85,688,264.31 and 130,540,143.44

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Solution

The third proportional to 85,688,264.31 and 130,540,143.44 is: 198,868,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,688,264.31 : 130,540,143.44 = 130,540,143.44 : x
  2. Step 2: Convert to fraction form
    85,688,264.31/130,540,143.44 = 130,540,143.44/x
  3. Step 3: Cross multiply
    85,688,264.31x = 130,540,143.44 × 130,540,143.44
  4. Step 4: Simplify right side
    85,688,264.31x = 17,040,729,048,683,074
  5. Step 5: Solve for x
    x = 17,040,729,048,683,074/85,688,264.31
  6. Step 6: Final answer
    x = 198,868,878.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.