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Finding the Third Proportional to 367,308 and 538,386.75

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Solution

The third proportional to 367,308 and 538,386.75 is: 789,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,308 : 538,386.75 = 538,386.75 : x
  2. Step 2: Convert to fraction form
    367,308/538,386.75 = 538,386.75/x
  3. Step 3: Cross multiply
    367,308x = 538,386.75 × 538,386.75
  4. Step 4: Simplify right side
    367,308x = 289,860,292,575.56
  5. Step 5: Solve for x
    x = 289,860,292,575.56/367,308
  6. Step 6: Final answer
    x = 789,147.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.