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Finding the Third Proportional to 20,643,060 and 43,747,176

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Solution

The third proportional to 20,643,060 and 43,747,176 is: 92,709,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,060 : 43,747,176 = 43,747,176 : x
  2. Step 2: Convert to fraction form
    20,643,060/43,747,176 = 43,747,176/x
  3. Step 3: Cross multiply
    20,643,060x = 43,747,176 × 43,747,176
  4. Step 4: Simplify right side
    20,643,060x = 1,913,815,407,974,976
  5. Step 5: Solve for x
    x = 1,913,815,407,974,976/20,643,060
  6. Step 6: Final answer
    x = 92,709,869.95

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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.