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Finding the Third Proportional to 928,645 and 1,388,698

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Solution

The third proportional to 928,645 and 1,388,698 is: 2,076,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,645 : 1,388,698 = 1,388,698 : x
  2. Step 2: Convert to fraction form
    928,645/1,388,698 = 1,388,698/x
  3. Step 3: Cross multiply
    928,645x = 1,388,698 × 1,388,698
  4. Step 4: Simplify right side
    928,645x = 1,928,482,135,204
  5. Step 5: Solve for x
    x = 1,928,482,135,204/928,645
  6. Step 6: Final answer
    x = 2,076,662.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.