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Finding the Third Proportional to 18,332,927 and 40,326,729

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Solution

The third proportional to 18,332,927 and 40,326,729 is: 88,706,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332,927 : 40,326,729 = 40,326,729 : x
  2. Step 2: Convert to fraction form
    18,332,927/40,326,729 = 40,326,729/x
  3. Step 3: Cross multiply
    18,332,927x = 40,326,729 × 40,326,729
  4. Step 4: Simplify right side
    18,332,927x = 1,626,245,071,839,441
  5. Step 5: Solve for x
    x = 1,626,245,071,839,441/18,332,927
  6. Step 6: Final answer
    x = 88,706,242.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.