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Finding the Third Proportional to 19,979,928 and 29,889,693

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Solution

The third proportional to 19,979,928 and 29,889,693 is: 44,714,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,928 : 29,889,693 = 29,889,693 : x
  2. Step 2: Convert to fraction form
    19,979,928/29,889,693 = 29,889,693/x
  3. Step 3: Cross multiply
    19,979,928x = 29,889,693 × 29,889,693
  4. Step 4: Simplify right side
    19,979,928x = 893,393,747,634,249
  5. Step 5: Solve for x
    x = 893,393,747,634,249/19,979,928
  6. Step 6: Final answer
    x = 44,714,562.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.