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Finding the Third Proportional to 173,716,275 and 381,861,438

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Solution

The third proportional to 173,716,275 and 381,861,438 is: 839,404,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,716,275 : 381,861,438 = 381,861,438 : x
  2. Step 2: Convert to fraction form
    173,716,275/381,861,438 = 381,861,438/x
  3. Step 3: Cross multiply
    173,716,275x = 381,861,438 × 381,861,438
  4. Step 4: Simplify right side
    173,716,275x = 145,818,157,831,427,840
  5. Step 5: Solve for x
    x = 145,818,157,831,427,840/173,716,275
  6. Step 6: Final answer
    x = 839,404,125.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.