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Finding the Third Proportional to 8,656,021 and 13,508,088

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Solution

The third proportional to 8,656,021 and 13,508,088 is: 21,079,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,021 : 13,508,088 = 13,508,088 : x
  2. Step 2: Convert to fraction form
    8,656,021/13,508,088 = 13,508,088/x
  3. Step 3: Cross multiply
    8,656,021x = 13,508,088 × 13,508,088
  4. Step 4: Simplify right side
    8,656,021x = 182,468,441,415,744
  5. Step 5: Solve for x
    x = 182,468,441,415,744/8,656,021
  6. Step 6: Final answer
    x = 21,079,944.40

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.