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Finding the Third Proportional to 8,942,835 and 19,397,979

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Solution

The third proportional to 8,942,835 and 19,397,979 is: 42,076,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942,835 : 19,397,979 = 19,397,979 : x
  2. Step 2: Convert to fraction form
    8,942,835/19,397,979 = 19,397,979/x
  3. Step 3: Cross multiply
    8,942,835x = 19,397,979 × 19,397,979
  4. Step 4: Simplify right side
    8,942,835x = 376,281,589,284,441
  5. Step 5: Solve for x
    x = 376,281,589,284,441/8,942,835
  6. Step 6: Final answer
    x = 42,076,320.24

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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.