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Finding the Third Proportional to 21,581,137 and 45,157,466

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Solution

The third proportional to 21,581,137 and 45,157,466 is: 94,489,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,137 : 45,157,466 = 45,157,466 : x
  2. Step 2: Convert to fraction form
    21,581,137/45,157,466 = 45,157,466/x
  3. Step 3: Cross multiply
    21,581,137x = 45,157,466 × 45,157,466
  4. Step 4: Simplify right side
    21,581,137x = 2,039,196,735,541,156
  5. Step 5: Solve for x
    x = 2,039,196,735,541,156/21,581,137
  6. Step 6: Final answer
    x = 94,489,772.97

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.