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Finding the Third Proportional to 20,316,806 and 43,388,990

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Solution

The third proportional to 20,316,806 and 43,388,990 is: 92,662,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,806 : 43,388,990 = 43,388,990 : x
  2. Step 2: Convert to fraction form
    20,316,806/43,388,990 = 43,388,990/x
  3. Step 3: Cross multiply
    20,316,806x = 43,388,990 × 43,388,990
  4. Step 4: Simplify right side
    20,316,806x = 1,882,604,453,220,100
  5. Step 5: Solve for x
    x = 1,882,604,453,220,100/20,316,806
  6. Step 6: Final answer
    x = 92,662,422.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.