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Finding the Third Proportional to 36,693 and 78,570

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Solution

The third proportional to 36,693 and 78,570 is: 168,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693 : 78,570 = 78,570 : x
  2. Step 2: Convert to fraction form
    36,693/78,570 = 78,570/x
  3. Step 3: Cross multiply
    36,693x = 78,570 × 78,570
  4. Step 4: Simplify right side
    36,693x = 6,173,244,900
  5. Step 5: Solve for x
    x = 6,173,244,900/36,693
  6. Step 6: Final answer
    x = 168,240.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.