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Finding the Third Proportional to 19,186,690 and 29,521,093

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Solution

The third proportional to 19,186,690 and 29,521,093 is: 45,421,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,690 : 29,521,093 = 29,521,093 : x
  2. Step 2: Convert to fraction form
    19,186,690/29,521,093 = 29,521,093/x
  3. Step 3: Cross multiply
    19,186,690x = 29,521,093 × 29,521,093
  4. Step 4: Simplify right side
    19,186,690x = 871,494,931,914,649
  5. Step 5: Solve for x
    x = 871,494,931,914,649/19,186,690
  6. Step 6: Final answer
    x = 45,421,848.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.