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Finding the Third Proportional to 18,294,280 and 36,125,888

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Solution

The third proportional to 18,294,280 and 36,125,888 is: 71,338,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294,280 : 36,125,888 = 36,125,888 : x
  2. Step 2: Convert to fraction form
    18,294,280/36,125,888 = 36,125,888/x
  3. Step 3: Cross multiply
    18,294,280x = 36,125,888 × 36,125,888
  4. Step 4: Simplify right side
    18,294,280x = 1,305,079,783,788,544
  5. Step 5: Solve for x
    x = 1,305,079,783,788,544/18,294,280
  6. Step 6: Final answer
    x = 71,338,133.22

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.