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Finding the Third Proportional to 107,428 and 231,938

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Solution

The third proportional to 107,428 and 231,938 is: 500,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428 : 231,938 = 231,938 : x
  2. Step 2: Convert to fraction form
    107,428/231,938 = 231,938/x
  3. Step 3: Cross multiply
    107,428x = 231,938 × 231,938
  4. Step 4: Simplify right side
    107,428x = 53,795,235,844
  5. Step 5: Solve for x
    x = 53,795,235,844/107,428
  6. Step 6: Final answer
    x = 500,756.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.