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Finding the Third Proportional to 79,439,659 and 171,419,835

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Solution

The third proportional to 79,439,659 and 171,419,835 is: 369,900,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,659 : 171,419,835 = 171,419,835 : x
  2. Step 2: Convert to fraction form
    79,439,659/171,419,835 = 171,419,835/x
  3. Step 3: Cross multiply
    79,439,659x = 171,419,835 × 171,419,835
  4. Step 4: Simplify right side
    79,439,659x = 29,384,759,831,427,224
  5. Step 5: Solve for x
    x = 29,384,759,831,427,224/79,439,659
  6. Step 6: Final answer
    x = 369,900,377.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.