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Finding the Third Proportional to 19,859,772 and 30,367,278

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Solution

The third proportional to 19,859,772 and 30,367,278 is: 46,434,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,772 : 30,367,278 = 30,367,278 : x
  2. Step 2: Convert to fraction form
    19,859,772/30,367,278 = 30,367,278/x
  3. Step 3: Cross multiply
    19,859,772x = 30,367,278 × 30,367,278
  4. Step 4: Simplify right side
    19,859,772x = 922,171,573,129,284
  5. Step 5: Solve for x
    x = 922,171,573,129,284/19,859,772
  6. Step 6: Final answer
    x = 46,434,147.03

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.