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Finding the Third Proportional to 888,900 and 1,355,220

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Solution

The third proportional to 888,900 and 1,355,220 is: 2,066,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,900 : 1,355,220 = 1,355,220 : x
  2. Step 2: Convert to fraction form
    888,900/1,355,220 = 1,355,220/x
  3. Step 3: Cross multiply
    888,900x = 1,355,220 × 1,355,220
  4. Step 4: Simplify right side
    888,900x = 1,836,621,248,400
  5. Step 5: Solve for x
    x = 1,836,621,248,400/888,900
  6. Step 6: Final answer
    x = 2,066,173.08

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.