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Finding the Third Proportional to 172,299,520 and 368,818,425

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Solution

The third proportional to 172,299,520 and 368,818,425 is: 789,480,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299,520 : 368,818,425 = 368,818,425 : x
  2. Step 2: Convert to fraction form
    172,299,520/368,818,425 = 368,818,425/x
  3. Step 3: Cross multiply
    172,299,520x = 368,818,425 × 368,818,425
  4. Step 4: Simplify right side
    172,299,520x = 136,027,030,619,480,624
  5. Step 5: Solve for x
    x = 136,027,030,619,480,624/172,299,520
  6. Step 6: Final answer
    x = 789,480,032.33

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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.