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Finding the Third Proportional to 9,467,712 and 20,706,887

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Solution

The third proportional to 9,467,712 and 20,706,887 is: 45,288,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,467,712 : 20,706,887 = 20,706,887 : x
  2. Step 2: Convert to fraction form
    9,467,712/20,706,887 = 20,706,887/x
  3. Step 3: Cross multiply
    9,467,712x = 20,706,887 × 20,706,887
  4. Step 4: Simplify right side
    9,467,712x = 428,775,169,230,769
  5. Step 5: Solve for x
    x = 428,775,169,230,769/9,467,712
  6. Step 6: Final answer
    x = 45,288,150.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.