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Finding the Third Proportional to 436,345.50 and 673,968

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Solution

The third proportional to 436,345.50 and 673,968 is: 1,040,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,345.50 : 673,968 = 673,968 : x
  2. Step 2: Convert to fraction form
    436,345.50/673,968 = 673,968/x
  3. Step 3: Cross multiply
    436,345.50x = 673,968 × 673,968
  4. Step 4: Simplify right side
    436,345.50x = 454,232,865,024
  5. Step 5: Solve for x
    x = 454,232,865,024/436,345.50
  6. Step 6: Final answer
    x = 1,040,993.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.