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Finding the Third Proportional to 8,539,739 and 18,440,246

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Solution

The third proportional to 8,539,739 and 18,440,246 is: 39,818,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,739 : 18,440,246 = 18,440,246 : x
  2. Step 2: Convert to fraction form
    8,539,739/18,440,246 = 18,440,246/x
  3. Step 3: Cross multiply
    8,539,739x = 18,440,246 × 18,440,246
  4. Step 4: Simplify right side
    8,539,739x = 340,042,672,540,516
  5. Step 5: Solve for x
    x = 340,042,672,540,516/8,539,739
  6. Step 6: Final answer
    x = 39,818,860.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.