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Finding the Third Proportional to 8,918,810 and 19,541,536

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Solution

The third proportional to 8,918,810 and 19,541,536 is: 42,816,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,810 : 19,541,536 = 19,541,536 : x
  2. Step 2: Convert to fraction form
    8,918,810/19,541,536 = 19,541,536/x
  3. Step 3: Cross multiply
    8,918,810x = 19,541,536 × 19,541,536
  4. Step 4: Simplify right side
    8,918,810x = 381,871,629,239,296
  5. Step 5: Solve for x
    x = 381,871,629,239,296/8,918,810
  6. Step 6: Final answer
    x = 42,816,432.82

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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.