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Finding the Third Proportional to 28,328,493 and 62,611,707

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Solution

The third proportional to 28,328,493 and 62,611,707 is: 138,384,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,493 : 62,611,707 = 62,611,707 : x
  2. Step 2: Convert to fraction form
    28,328,493/62,611,707 = 62,611,707/x
  3. Step 3: Cross multiply
    28,328,493x = 62,611,707 × 62,611,707
  4. Step 4: Simplify right side
    28,328,493x = 3,920,225,853,453,849
  5. Step 5: Solve for x
    x = 3,920,225,853,453,849/28,328,493
  6. Step 6: Final answer
    x = 138,384,553.44

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.