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Finding the Third Proportional to 7,747,769 and 16,890,572

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Solution

The third proportional to 7,747,769 and 16,890,572 is: 36,822,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747,769 : 16,890,572 = 16,890,572 : x
  2. Step 2: Convert to fraction form
    7,747,769/16,890,572 = 16,890,572/x
  3. Step 3: Cross multiply
    7,747,769x = 16,890,572 × 16,890,572
  4. Step 4: Simplify right side
    7,747,769x = 285,291,422,487,184
  5. Step 5: Solve for x
    x = 285,291,422,487,184/7,747,769
  6. Step 6: Final answer
    x = 36,822,396.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.