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Finding the Third Proportional to 8,815,805 and 13,622,664

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Solution

The third proportional to 8,815,805 and 13,622,664 is: 21,050,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,805 : 13,622,664 = 13,622,664 : x
  2. Step 2: Convert to fraction form
    8,815,805/13,622,664 = 13,622,664/x
  3. Step 3: Cross multiply
    8,815,805x = 13,622,664 × 13,622,664
  4. Step 4: Simplify right side
    8,815,805x = 185,576,974,456,896
  5. Step 5: Solve for x
    x = 185,576,974,456,896/8,815,805
  6. Step 6: Final answer
    x = 21,050,485.40

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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.