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Finding the Third Proportional to 191,042 and 391,660

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Solution

The third proportional to 191,042 and 391,660 is: 802,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,042 : 391,660 = 391,660 : x
  2. Step 2: Convert to fraction form
    191,042/391,660 = 391,660/x
  3. Step 3: Cross multiply
    191,042x = 391,660 × 391,660
  4. Step 4: Simplify right side
    191,042x = 153,397,555,600
  5. Step 5: Solve for x
    x = 153,397,555,600/191,042
  6. Step 6: Final answer
    x = 802,952.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.