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Finding the Third Proportional to 89,720,424 and 134,431,380

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Solution

The third proportional to 89,720,424 and 134,431,380 is: 201,423,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,720,424 : 134,431,380 = 134,431,380 : x
  2. Step 2: Convert to fraction form
    89,720,424/134,431,380 = 134,431,380/x
  3. Step 3: Cross multiply
    89,720,424x = 134,431,380 × 134,431,380
  4. Step 4: Simplify right side
    89,720,424x = 18,071,795,928,704,400
  5. Step 5: Solve for x
    x = 18,071,795,928,704,400/89,720,424
  6. Step 6: Final answer
    x = 201,423,434.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.