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Finding the Third Proportional to 66,024 and 142,570

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Solution

The third proportional to 66,024 and 142,570 is: 307,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024 : 142,570 = 142,570 : x
  2. Step 2: Convert to fraction form
    66,024/142,570 = 142,570/x
  3. Step 3: Cross multiply
    66,024x = 142,570 × 142,570
  4. Step 4: Simplify right side
    66,024x = 20,326,204,900
  5. Step 5: Solve for x
    x = 20,326,204,900/66,024
  6. Step 6: Final answer
    x = 307,860.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.