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Finding the Third Proportional to 8,988,938 and 19,810,210

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Solution

The third proportional to 8,988,938 and 19,810,210 is: 43,658,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,938 : 19,810,210 = 19,810,210 : x
  2. Step 2: Convert to fraction form
    8,988,938/19,810,210 = 19,810,210/x
  3. Step 3: Cross multiply
    8,988,938x = 19,810,210 × 19,810,210
  4. Step 4: Simplify right side
    8,988,938x = 392,444,420,244,100
  5. Step 5: Solve for x
    x = 392,444,420,244,100/8,988,938
  6. Step 6: Final answer
    x = 43,658,596.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.