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Finding the Third Proportional to 70,189,671 and 109,257,079

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Solution

The third proportional to 70,189,671 and 109,257,079 is: 170,069,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,189,671 : 109,257,079 = 109,257,079 : x
  2. Step 2: Convert to fraction form
    70,189,671/109,257,079 = 109,257,079/x
  3. Step 3: Cross multiply
    70,189,671x = 109,257,079 × 109,257,079
  4. Step 4: Simplify right side
    70,189,671x = 11,937,109,311,612,240
  5. Step 5: Solve for x
    x = 11,937,109,311,612,240/70,189,671
  6. Step 6: Final answer
    x = 170,069,315.63

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.