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Finding the Third Proportional to 8,656,230 and 13,508,406

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Solution

The third proportional to 8,656,230 and 13,508,406 is: 21,080,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,230 : 13,508,406 = 13,508,406 : x
  2. Step 2: Convert to fraction form
    8,656,230/13,508,406 = 13,508,406/x
  3. Step 3: Cross multiply
    8,656,230x = 13,508,406 × 13,508,406
  4. Step 4: Simplify right side
    8,656,230x = 182,477,032,660,836
  5. Step 5: Solve for x
    x = 182,477,032,660,836/8,656,230
  6. Step 6: Final answer
    x = 21,080,427.93

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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.