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Finding the Third Proportional to 190,914 and 431,337

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Solution

The third proportional to 190,914 and 431,337 is: 974,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,914 : 431,337 = 431,337 : x
  2. Step 2: Convert to fraction form
    190,914/431,337 = 431,337/x
  3. Step 3: Cross multiply
    190,914x = 431,337 × 431,337
  4. Step 4: Simplify right side
    190,914x = 186,051,607,569
  5. Step 5: Solve for x
    x = 186,051,607,569/190,914
  6. Step 6: Final answer
    x = 974,530.98

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.