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Finding the Third Proportional to 18,294,276 and 36,125,880

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Solution

The third proportional to 18,294,276 and 36,125,880 is: 71,338,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294,276 : 36,125,880 = 36,125,880 : x
  2. Step 2: Convert to fraction form
    18,294,276/36,125,880 = 36,125,880/x
  3. Step 3: Cross multiply
    18,294,276x = 36,125,880 × 36,125,880
  4. Step 4: Simplify right side
    18,294,276x = 1,305,079,205,774,400
  5. Step 5: Solve for x
    x = 1,305,079,205,774,400/18,294,276
  6. Step 6: Final answer
    x = 71,338,117.22

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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.