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Finding the Third Proportional to 20,678,090 and 34,343,684

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Solution

The third proportional to 20,678,090 and 34,343,684 is: 57,040,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,090 : 34,343,684 = 34,343,684 : x
  2. Step 2: Convert to fraction form
    20,678,090/34,343,684 = 34,343,684/x
  3. Step 3: Cross multiply
    20,678,090x = 34,343,684 × 34,343,684
  4. Step 4: Simplify right side
    20,678,090x = 1,179,488,630,691,856
  5. Step 5: Solve for x
    x = 1,179,488,630,691,856/20,678,090
  6. Step 6: Final answer
    x = 57,040,501.84

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.