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Finding the Third Proportional to 18,916,064 and 29,349,966

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Solution

The third proportional to 18,916,064 and 29,349,966 is: 45,539,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,064 : 29,349,966 = 29,349,966 : x
  2. Step 2: Convert to fraction form
    18,916,064/29,349,966 = 29,349,966/x
  3. Step 3: Cross multiply
    18,916,064x = 29,349,966 × 29,349,966
  4. Step 4: Simplify right side
    18,916,064x = 861,420,504,201,156
  5. Step 5: Solve for x
    x = 861,420,504,201,156/18,916,064
  6. Step 6: Final answer
    x = 45,539,098.63

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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.