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Finding the Third Proportional to 18,773,788 and 39,565,208

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Solution

The third proportional to 18,773,788 and 39,565,208 is: 83,382,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773,788 : 39,565,208 = 39,565,208 : x
  2. Step 2: Convert to fraction form
    18,773,788/39,565,208 = 39,565,208/x
  3. Step 3: Cross multiply
    18,773,788x = 39,565,208 × 39,565,208
  4. Step 4: Simplify right side
    18,773,788x = 1,565,405,684,083,264
  5. Step 5: Solve for x
    x = 1,565,405,684,083,264/18,773,788
  6. Step 6: Final answer
    x = 83,382,516.31

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.