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Finding the Third Proportional to 4,292,559 and 9,330,606

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Solution

The third proportional to 4,292,559 and 9,330,606 is: 20,281,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292,559 : 9,330,606 = 9,330,606 : x
  2. Step 2: Convert to fraction form
    4,292,559/9,330,606 = 9,330,606/x
  3. Step 3: Cross multiply
    4,292,559x = 9,330,606 × 9,330,606
  4. Step 4: Simplify right side
    4,292,559x = 87,060,208,327,236
  5. Step 5: Solve for x
    x = 87,060,208,327,236/4,292,559
  6. Step 6: Final answer
    x = 20,281,656.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.