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Finding the Third Proportional to 7,216,632 and 15,703,715

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Solution

The third proportional to 7,216,632 and 15,703,715 is: 34,171,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,632 : 15,703,715 = 15,703,715 : x
  2. Step 2: Convert to fraction form
    7,216,632/15,703,715 = 15,703,715/x
  3. Step 3: Cross multiply
    7,216,632x = 15,703,715 × 15,703,715
  4. Step 4: Simplify right side
    7,216,632x = 246,606,664,801,225
  5. Step 5: Solve for x
    x = 246,606,664,801,225/7,216,632
  6. Step 6: Final answer
    x = 34,171,988.37

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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.