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Finding the Third Proportional to 366,066 and 556,140

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Solution

The third proportional to 366,066 and 556,140 is: 844,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,066 : 556,140 = 556,140 : x
  2. Step 2: Convert to fraction form
    366,066/556,140 = 556,140/x
  3. Step 3: Cross multiply
    366,066x = 556,140 × 556,140
  4. Step 4: Simplify right side
    366,066x = 309,291,699,600
  5. Step 5: Solve for x
    x = 309,291,699,600/366,066
  6. Step 6: Final answer
    x = 844,906.93

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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.