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Finding the Third Proportional to 77,423 and 113,148

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Solution

The third proportional to 77,423 and 113,148 is: 165,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,423 : 113,148 = 113,148 : x
  2. Step 2: Convert to fraction form
    77,423/113,148 = 113,148/x
  3. Step 3: Cross multiply
    77,423x = 113,148 × 113,148
  4. Step 4: Simplify right side
    77,423x = 12,802,469,904
  5. Step 5: Solve for x
    x = 12,802,469,904/77,423
  6. Step 6: Final answer
    x = 165,357.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.