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Finding the Third Proportional to 1,004,920 and 2,190,525

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Solution

The third proportional to 1,004,920 and 2,190,525 is: 4,774,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,920 : 2,190,525 = 2,190,525 : x
  2. Step 2: Convert to fraction form
    1,004,920/2,190,525 = 2,190,525/x
  3. Step 3: Cross multiply
    1,004,920x = 2,190,525 × 2,190,525
  4. Step 4: Simplify right side
    1,004,920x = 4,798,399,775,625
  5. Step 5: Solve for x
    x = 4,798,399,775,625/1,004,920
  6. Step 6: Final answer
    x = 4,774,907.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.