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Finding the Third Proportional to 145,554 and 231,453

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Solution

The third proportional to 145,554 and 231,453 is: 368,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554 : 231,453 = 231,453 : x
  2. Step 2: Convert to fraction form
    145,554/231,453 = 231,453/x
  3. Step 3: Cross multiply
    145,554x = 231,453 × 231,453
  4. Step 4: Simplify right side
    145,554x = 53,570,491,209
  5. Step 5: Solve for x
    x = 53,570,491,209/145,554
  6. Step 6: Final answer
    x = 368,045.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.