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Finding the Third Proportional to 7,688,992 and 16,912,772

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Solution

The third proportional to 7,688,992 and 16,912,772 is: 37,201,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,992 : 16,912,772 = 16,912,772 : x
  2. Step 2: Convert to fraction form
    7,688,992/16,912,772 = 16,912,772/x
  3. Step 3: Cross multiply
    7,688,992x = 16,912,772 × 16,912,772
  4. Step 4: Simplify right side
    7,688,992x = 286,041,856,723,984
  5. Step 5: Solve for x
    x = 286,041,856,723,984/7,688,992
  6. Step 6: Final answer
    x = 37,201,476.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.