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Finding the Third Proportional to 80,960,390 and 124,364,025

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Solution

The third proportional to 80,960,390 and 124,364,025 is: 191,036,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,960,390 : 124,364,025 = 124,364,025 : x
  2. Step 2: Convert to fraction form
    80,960,390/124,364,025 = 124,364,025/x
  3. Step 3: Cross multiply
    80,960,390x = 124,364,025 × 124,364,025
  4. Step 4: Simplify right side
    80,960,390x = 15,466,410,714,200,624
  5. Step 5: Solve for x
    x = 15,466,410,714,200,624/80,960,390
  6. Step 6: Final answer
    x = 191,036,761.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.