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Finding the Third Proportional to 8,611,490 and 20,299,685

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Solution

The third proportional to 8,611,490 and 20,299,685 is: 47,852,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,490 : 20,299,685 = 20,299,685 : x
  2. Step 2: Convert to fraction form
    8,611,490/20,299,685 = 20,299,685/x
  3. Step 3: Cross multiply
    8,611,490x = 20,299,685 × 20,299,685
  4. Step 4: Simplify right side
    8,611,490x = 412,077,211,099,225
  5. Step 5: Solve for x
    x = 412,077,211,099,225/8,611,490
  6. Step 6: Final answer
    x = 47,852,022.25

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.