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Finding the Third Proportional to 181,749,061.50 and 391,211,787

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Solution

The third proportional to 181,749,061.50 and 391,211,787 is: 842,076,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,749,061.50 : 391,211,787 = 391,211,787 : x
  2. Step 2: Convert to fraction form
    181,749,061.50/391,211,787 = 391,211,787/x
  3. Step 3: Cross multiply
    181,749,061.50x = 391,211,787 × 391,211,787
  4. Step 4: Simplify right side
    181,749,061.50x = 153,046,662,287,733,376
  5. Step 5: Solve for x
    x = 153,046,662,287,733,376/181,749,061.50
  6. Step 6: Final answer
    x = 842,076,767.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.