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Finding the Third Proportional to 9,994,158 and 21,700,728

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Solution

The third proportional to 9,994,158 and 21,700,728 is: 47,119,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994,158 : 21,700,728 = 21,700,728 : x
  2. Step 2: Convert to fraction form
    9,994,158/21,700,728 = 21,700,728/x
  3. Step 3: Cross multiply
    9,994,158x = 21,700,728 × 21,700,728
  4. Step 4: Simplify right side
    9,994,158x = 470,921,595,729,984
  5. Step 5: Solve for x
    x = 470,921,595,729,984/9,994,158
  6. Step 6: Final answer
    x = 47,119,686.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.