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Finding the Third Proportional to 79,818,728 and 171,569,051

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Solution

The third proportional to 79,818,728 and 171,569,051 is: 368,784,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818,728 : 171,569,051 = 171,569,051 : x
  2. Step 2: Convert to fraction form
    79,818,728/171,569,051 = 171,569,051/x
  3. Step 3: Cross multiply
    79,818,728x = 171,569,051 × 171,569,051
  4. Step 4: Simplify right side
    79,818,728x = 29,435,939,261,040,600
  5. Step 5: Solve for x
    x = 29,435,939,261,040,600/79,818,728
  6. Step 6: Final answer
    x = 368,784,870.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.