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Finding the Third Proportional to 8,693,974 and 12,775,125

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Solution

The third proportional to 8,693,974 and 12,775,125 is: 18,772,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,974 : 12,775,125 = 12,775,125 : x
  2. Step 2: Convert to fraction form
    8,693,974/12,775,125 = 12,775,125/x
  3. Step 3: Cross multiply
    8,693,974x = 12,775,125 × 12,775,125
  4. Step 4: Simplify right side
    8,693,974x = 163,203,818,765,625
  5. Step 5: Solve for x
    x = 163,203,818,765,625/8,693,974
  6. Step 6: Final answer
    x = 18,772,061.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.