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Finding the Third Proportional to 8,639,650 and 20,000,917

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Solution

The third proportional to 8,639,650 and 20,000,917 is: 46,302,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,650 : 20,000,917 = 20,000,917 : x
  2. Step 2: Convert to fraction form
    8,639,650/20,000,917 = 20,000,917/x
  3. Step 3: Cross multiply
    8,639,650x = 20,000,917 × 20,000,917
  4. Step 4: Simplify right side
    8,639,650x = 400,036,680,840,889
  5. Step 5: Solve for x
    x = 400,036,680,840,889/8,639,650
  6. Step 6: Final answer
    x = 46,302,417.44

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.