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Finding the Third Proportional to 8,650,945 and 20,421,370

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Solution

The third proportional to 8,650,945 and 20,421,370 is: 48,206,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650,945 : 20,421,370 = 20,421,370 : x
  2. Step 2: Convert to fraction form
    8,650,945/20,421,370 = 20,421,370/x
  3. Step 3: Cross multiply
    8,650,945x = 20,421,370 × 20,421,370
  4. Step 4: Simplify right side
    8,650,945x = 417,032,352,676,900
  5. Step 5: Solve for x
    x = 417,032,352,676,900/8,650,945
  6. Step 6: Final answer
    x = 48,206,566.18

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.