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Finding the Third Proportional to 8,762,498 and 18,820,324

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Solution

The third proportional to 8,762,498 and 18,820,324 is: 40,422,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,498 : 18,820,324 = 18,820,324 : x
  2. Step 2: Convert to fraction form
    8,762,498/18,820,324 = 18,820,324/x
  3. Step 3: Cross multiply
    8,762,498x = 18,820,324 × 18,820,324
  4. Step 4: Simplify right side
    8,762,498x = 354,204,595,464,976
  5. Step 5: Solve for x
    x = 354,204,595,464,976/8,762,498
  6. Step 6: Final answer
    x = 40,422,787.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.