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Finding the Third Proportional to 20,770,046 and 45,197,440

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Solution

The third proportional to 20,770,046 and 45,197,440 is: 98,353,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770,046 : 45,197,440 = 45,197,440 : x
  2. Step 2: Convert to fraction form
    20,770,046/45,197,440 = 45,197,440/x
  3. Step 3: Cross multiply
    20,770,046x = 45,197,440 × 45,197,440
  4. Step 4: Simplify right side
    20,770,046x = 2,042,808,582,553,600
  5. Step 5: Solve for x
    x = 2,042,808,582,553,600/20,770,046
  6. Step 6: Final answer
    x = 98,353,589.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.