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Finding the Third Proportional to 201,858.50 and 293,391.50

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Solution

The third proportional to 201,858.50 and 293,391.50 is: 426,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,858.50 : 293,391.50 = 293,391.50 : x
  2. Step 2: Convert to fraction form
    201,858.50/293,391.50 = 293,391.50/x
  3. Step 3: Cross multiply
    201,858.50x = 293,391.50 × 293,391.50
  4. Step 4: Simplify right side
    201,858.50x = 86,078,572,272.25
  5. Step 5: Solve for x
    x = 86,078,572,272.25/201,858.50
  6. Step 6: Final answer
    x = 426,430.26

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.