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Finding the Third Proportional to 191,381 and 447,011

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Solution

The third proportional to 191,381 and 447,011 is: 1,044,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,381 : 447,011 = 447,011 : x
  2. Step 2: Convert to fraction form
    191,381/447,011 = 447,011/x
  3. Step 3: Cross multiply
    191,381x = 447,011 × 447,011
  4. Step 4: Simplify right side
    191,381x = 199,818,834,121
  5. Step 5: Solve for x
    x = 199,818,834,121/191,381
  6. Step 6: Final answer
    x = 1,044,089.19

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.