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Finding the Third Proportional to 88,331,477 and 193,039,210

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Solution

The third proportional to 88,331,477 and 193,039,210 is: 421,867,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331,477 : 193,039,210 = 193,039,210 : x
  2. Step 2: Convert to fraction form
    88,331,477/193,039,210 = 193,039,210/x
  3. Step 3: Cross multiply
    88,331,477x = 193,039,210 × 193,039,210
  4. Step 4: Simplify right side
    88,331,477x = 37,264,136,597,424,096
  5. Step 5: Solve for x
    x = 37,264,136,597,424,096/88,331,477
  6. Step 6: Final answer
    x = 421,867,015.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.