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Finding the Third Proportional to 80,223,908 and 124,015,928

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Solution

The third proportional to 80,223,908 and 124,015,928 is: 191,712,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223,908 : 124,015,928 = 124,015,928 : x
  2. Step 2: Convert to fraction form
    80,223,908/124,015,928 = 124,015,928/x
  3. Step 3: Cross multiply
    80,223,908x = 124,015,928 × 124,015,928
  4. Step 4: Simplify right side
    80,223,908x = 15,379,950,397,701,184
  5. Step 5: Solve for x
    x = 15,379,950,397,701,184/80,223,908
  6. Step 6: Final answer
    x = 191,712,804.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.