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Finding the Third Proportional to 21,585,854 and 44,038,809

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Solution

The third proportional to 21,585,854 and 44,038,809 is: 89,846,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585,854 : 44,038,809 = 44,038,809 : x
  2. Step 2: Convert to fraction form
    21,585,854/44,038,809 = 44,038,809/x
  3. Step 3: Cross multiply
    21,585,854x = 44,038,809 × 44,038,809
  4. Step 4: Simplify right side
    21,585,854x = 1,939,416,698,138,481
  5. Step 5: Solve for x
    x = 1,939,416,698,138,481/21,585,854
  6. Step 6: Final answer
    x = 89,846,651.34

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.