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Finding the Third Proportional to 20,817,861 and 45,110,865

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Solution

The third proportional to 20,817,861 and 45,110,865 is: 97,752,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,861 : 45,110,865 = 45,110,865 : x
  2. Step 2: Convert to fraction form
    20,817,861/45,110,865 = 45,110,865/x
  3. Step 3: Cross multiply
    20,817,861x = 45,110,865 × 45,110,865
  4. Step 4: Simplify right side
    20,817,861x = 2,034,990,141,048,225
  5. Step 5: Solve for x
    x = 2,034,990,141,048,225/20,817,861
  6. Step 6: Final answer
    x = 97,752,124.54

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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.