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Finding the Third Proportional to 19,146,717 and 28,739,664

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Solution

The third proportional to 19,146,717 and 28,739,664 is: 43,138,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,717 : 28,739,664 = 28,739,664 : x
  2. Step 2: Convert to fraction form
    19,146,717/28,739,664 = 28,739,664/x
  3. Step 3: Cross multiply
    19,146,717x = 28,739,664 × 28,739,664
  4. Step 4: Simplify right side
    19,146,717x = 825,968,286,832,896
  5. Step 5: Solve for x
    x = 825,968,286,832,896/19,146,717
  6. Step 6: Final answer
    x = 43,138,898.79

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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.