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Finding the Third Proportional to 201,217.50 and 282,024

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Solution

The third proportional to 201,217.50 and 282,024 is: 395,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,217.50 : 282,024 = 282,024 : x
  2. Step 2: Convert to fraction form
    201,217.50/282,024 = 282,024/x
  3. Step 3: Cross multiply
    201,217.50x = 282,024 × 282,024
  4. Step 4: Simplify right side
    201,217.50x = 79,537,536,576
  5. Step 5: Solve for x
    x = 79,537,536,576/201,217.50
  6. Step 6: Final answer
    x = 395,281.41

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.