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Finding the Third Proportional to 448,530 and 747,513

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Solution

The third proportional to 448,530 and 747,513 is: 1,245,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,530 : 747,513 = 747,513 : x
  2. Step 2: Convert to fraction form
    448,530/747,513 = 747,513/x
  3. Step 3: Cross multiply
    448,530x = 747,513 × 747,513
  4. Step 4: Simplify right side
    448,530x = 558,775,685,169
  5. Step 5: Solve for x
    x = 558,775,685,169/448,530
  6. Step 6: Final answer
    x = 1,245,793.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.