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Finding the Third Proportional to 7,212,547 and 15,229,910

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Solution

The third proportional to 7,212,547 and 15,229,910 is: 32,159,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,547 : 15,229,910 = 15,229,910 : x
  2. Step 2: Convert to fraction form
    7,212,547/15,229,910 = 15,229,910/x
  3. Step 3: Cross multiply
    7,212,547x = 15,229,910 × 15,229,910
  4. Step 4: Simplify right side
    7,212,547x = 231,950,158,608,100
  5. Step 5: Solve for x
    x = 231,950,158,608,100/7,212,547
  6. Step 6: Final answer
    x = 32,159,257.83

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.