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Finding the Third Proportional to 45,394,047 and 72,266,148

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Solution

The third proportional to 45,394,047 and 72,266,148 is: 115,045,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394,047 : 72,266,148 = 72,266,148 : x
  2. Step 2: Convert to fraction form
    45,394,047/72,266,148 = 72,266,148/x
  3. Step 3: Cross multiply
    45,394,047x = 72,266,148 × 72,266,148
  4. Step 4: Simplify right side
    45,394,047x = 5,222,396,146,757,904
  5. Step 5: Solve for x
    x = 5,222,396,146,757,904/45,394,047
  6. Step 6: Final answer
    x = 115,045,837.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.