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Finding the Third Proportional to 36,386 and 78,334

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Solution

The third proportional to 36,386 and 78,334 is: 168,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386 : 78,334 = 78,334 : x
  2. Step 2: Convert to fraction form
    36,386/78,334 = 78,334/x
  3. Step 3: Cross multiply
    36,386x = 78,334 × 78,334
  4. Step 4: Simplify right side
    36,386x = 6,136,215,556
  5. Step 5: Solve for x
    x = 6,136,215,556/36,386
  6. Step 6: Final answer
    x = 168,642.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.