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Finding the Third Proportional to 8,773,366 and 13,638,489

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Solution

The third proportional to 8,773,366 and 13,638,489 is: 21,201,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773,366 : 13,638,489 = 13,638,489 : x
  2. Step 2: Convert to fraction form
    8,773,366/13,638,489 = 13,638,489/x
  3. Step 3: Cross multiply
    8,773,366x = 13,638,489 × 13,638,489
  4. Step 4: Simplify right side
    8,773,366x = 186,008,382,203,121
  5. Step 5: Solve for x
    x = 186,008,382,203,121/8,773,366
  6. Step 6: Final answer
    x = 21,201,484.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.