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Finding the Third Proportional to 367,394 and 556,627

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Solution

The third proportional to 367,394 and 556,627 is: 843,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,394 : 556,627 = 556,627 : x
  2. Step 2: Convert to fraction form
    367,394/556,627 = 556,627/x
  3. Step 3: Cross multiply
    367,394x = 556,627 × 556,627
  4. Step 4: Simplify right side
    367,394x = 309,833,617,129
  5. Step 5: Solve for x
    x = 309,833,617,129/367,394
  6. Step 6: Final answer
    x = 843,327.92

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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.