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Finding the Third Proportional to 200,720.75 and 293,544.50

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Solution

The third proportional to 200,720.75 and 293,544.50 is: 429,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,720.75 : 293,544.50 = 293,544.50 : x
  2. Step 2: Convert to fraction form
    200,720.75/293,544.50 = 293,544.50/x
  3. Step 3: Cross multiply
    200,720.75x = 293,544.50 × 293,544.50
  4. Step 4: Simplify right side
    200,720.75x = 86,168,373,480.25
  5. Step 5: Solve for x
    x = 86,168,373,480.25/200,720.75
  6. Step 6: Final answer
    x = 429,294.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.