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Finding the Third Proportional to 20,213,212 and 31,100,530

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Solution

The third proportional to 20,213,212 and 31,100,530 is: 47,852,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,212 : 31,100,530 = 31,100,530 : x
  2. Step 2: Convert to fraction form
    20,213,212/31,100,530 = 31,100,530/x
  3. Step 3: Cross multiply
    20,213,212x = 31,100,530 × 31,100,530
  4. Step 4: Simplify right side
    20,213,212x = 967,242,966,280,900
  5. Step 5: Solve for x
    x = 967,242,966,280,900/20,213,212
  6. Step 6: Final answer
    x = 47,852,017.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.