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Finding the Third Proportional to 173,666,847 and 260,885,730

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Solution

The third proportional to 173,666,847 and 260,885,730 is: 391,907,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,666,847 : 260,885,730 = 260,885,730 : x
  2. Step 2: Convert to fraction form
    173,666,847/260,885,730 = 260,885,730/x
  3. Step 3: Cross multiply
    173,666,847x = 260,885,730 × 260,885,730
  4. Step 4: Simplify right side
    173,666,847x = 68,061,364,117,632,896
  5. Step 5: Solve for x
    x = 68,061,364,117,632,896/173,666,847
  6. Step 6: Final answer
    x = 391,907,639.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.