Home / 85,688,264.75-130,540,144.25

Finding the Third Proportional to 85,688,264.75 and 130,540,144.25

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Solution

The third proportional to 85,688,264.75 and 130,540,144.25 is: 198,868,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,688,264.75 : 130,540,144.25 = 130,540,144.25 : x
  2. Step 2: Convert to fraction form
    85,688,264.75/130,540,144.25 = 130,540,144.25/x
  3. Step 3: Cross multiply
    85,688,264.75x = 130,540,144.25 × 130,540,144.25
  4. Step 4: Simplify right side
    85,688,264.75x = 17,040,729,260,810,808
  5. Step 5: Solve for x
    x = 17,040,729,260,810,808/85,688,264.75
  6. Step 6: Final answer
    x = 198,868,880.24

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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.