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Finding the Third Proportional to 4,197,790 and 8,900,032

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Solution

The third proportional to 4,197,790 and 8,900,032 is: 18,869,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197,790 : 8,900,032 = 8,900,032 : x
  2. Step 2: Convert to fraction form
    4,197,790/8,900,032 = 8,900,032/x
  3. Step 3: Cross multiply
    4,197,790x = 8,900,032 × 8,900,032
  4. Step 4: Simplify right side
    4,197,790x = 79,210,569,601,024
  5. Step 5: Solve for x
    x = 79,210,569,601,024/4,197,790
  6. Step 6: Final answer
    x = 18,869,588.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.