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Finding the Third Proportional to 19,141,519 and 28,726,278

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Solution

The third proportional to 19,141,519 and 28,726,278 is: 43,110,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,519 : 28,726,278 = 28,726,278 : x
  2. Step 2: Convert to fraction form
    19,141,519/28,726,278 = 28,726,278/x
  3. Step 3: Cross multiply
    19,141,519x = 28,726,278 × 28,726,278
  4. Step 4: Simplify right side
    19,141,519x = 825,199,047,733,284
  5. Step 5: Solve for x
    x = 825,199,047,733,284/19,141,519
  6. Step 6: Final answer
    x = 43,110,426.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.