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Finding the Third Proportional to 747,186 and 1,621,380

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Solution

The third proportional to 747,186 and 1,621,380 is: 3,518,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,186 : 1,621,380 = 1,621,380 : x
  2. Step 2: Convert to fraction form
    747,186/1,621,380 = 1,621,380/x
  3. Step 3: Cross multiply
    747,186x = 1,621,380 × 1,621,380
  4. Step 4: Simplify right side
    747,186x = 2,628,873,104,400
  5. Step 5: Solve for x
    x = 2,628,873,104,400/747,186
  6. Step 6: Final answer
    x = 3,518,365.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.