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Finding the Third Proportional to 179,207,574.19 and 389,952,781.88

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Solution

The third proportional to 179,207,574.19 and 389,952,781.88 is: 848,530,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,207,574.19 : 389,952,781.88 = 389,952,781.88 : x
  2. Step 2: Convert to fraction form
    179,207,574.19/389,952,781.88 = 389,952,781.88/x
  3. Step 3: Cross multiply
    179,207,574.19x = 389,952,781.88 × 389,952,781.88
  4. Step 4: Simplify right side
    179,207,574.19x = 152,063,172,092,051,328
  5. Step 5: Solve for x
    x = 152,063,172,092,051,328/179,207,574.19
  6. Step 6: Final answer
    x = 848,530,943.97

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.