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Finding the Third Proportional to 173,918,628 and 379,087,026

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Solution

The third proportional to 173,918,628 and 379,087,026 is: 826,288,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,918,628 : 379,087,026 = 379,087,026 : x
  2. Step 2: Convert to fraction form
    173,918,628/379,087,026 = 379,087,026/x
  3. Step 3: Cross multiply
    173,918,628x = 379,087,026 × 379,087,026
  4. Step 4: Simplify right side
    173,918,628x = 143,706,973,281,524,672
  5. Step 5: Solve for x
    x = 143,706,973,281,524,672/173,918,628
  6. Step 6: Final answer
    x = 826,288,563.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.