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Finding the Third Proportional to 79,049,703 and 171,293,091

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Solution

The third proportional to 79,049,703 and 171,293,091 is: 371,175,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,049,703 : 171,293,091 = 171,293,091 : x
  2. Step 2: Convert to fraction form
    79,049,703/171,293,091 = 171,293,091/x
  3. Step 3: Cross multiply
    79,049,703x = 171,293,091 × 171,293,091
  4. Step 4: Simplify right side
    79,049,703x = 29,341,323,024,334,280
  5. Step 5: Solve for x
    x = 29,341,323,024,334,280/79,049,703
  6. Step 6: Final answer
    x = 371,175,626.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.