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Finding the Third Proportional to 8,666,066 and 18,778,468

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Solution

The third proportional to 8,666,066 and 18,778,468 is: 40,690,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,066 : 18,778,468 = 18,778,468 : x
  2. Step 2: Convert to fraction form
    8,666,066/18,778,468 = 18,778,468/x
  3. Step 3: Cross multiply
    8,666,066x = 18,778,468 × 18,778,468
  4. Step 4: Simplify right side
    8,666,066x = 352,630,860,427,024
  5. Step 5: Solve for x
    x = 352,630,860,427,024/8,666,066
  6. Step 6: Final answer
    x = 40,690,996.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.