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Finding the Third Proportional to 172,299,548 and 368,818,474

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Solution

The third proportional to 172,299,548 and 368,818,474 is: 789,480,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299,548 : 368,818,474 = 368,818,474 : x
  2. Step 2: Convert to fraction form
    172,299,548/368,818,474 = 368,818,474/x
  3. Step 3: Cross multiply
    172,299,548x = 368,818,474 × 368,818,474
  4. Step 4: Simplify right side
    172,299,548x = 136,027,066,763,688,672
  5. Step 5: Solve for x
    x = 136,027,066,763,688,672/172,299,548
  6. Step 6: Final answer
    x = 789,480,113.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.