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Finding the Third Proportional to 191,021,571,351.50 and 408,877,134,065

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Solution

The third proportional to 191,021,571,351.50 and 408,877,134,065 is: 875,191,788,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,021,571,351.50 : 408,877,134,065 = 408,877,134,065 : x
  2. Step 2: Convert to fraction form
    191,021,571,351.50/408,877,134,065 = 408,877,134,065/x
  3. Step 3: Cross multiply
    191,021,571,351.50x = 408,877,134,065 × 408,877,134,065
  4. Step 4: Simplify right side
    191,021,571,351.50x = 167,180,510,761,207,990,321,152
  5. Step 5: Solve for x
    x = 167,180,510,761,207,990,321,152/191,021,571,351.50
  6. Step 6: Final answer
    x = 875,191,788,960.73

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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.