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Finding the Third Proportional to 19,031,812 and 28,553,552

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Solution

The third proportional to 19,031,812 and 28,553,552 is: 42,839,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,812 : 28,553,552 = 28,553,552 : x
  2. Step 2: Convert to fraction form
    19,031,812/28,553,552 = 28,553,552/x
  3. Step 3: Cross multiply
    19,031,812x = 28,553,552 × 28,553,552
  4. Step 4: Simplify right side
    19,031,812x = 815,305,331,816,704
  5. Step 5: Solve for x
    x = 815,305,331,816,704/19,031,812
  6. Step 6: Final answer
    x = 42,839,080.79

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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.