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Finding the Third Proportional to 77,146 and 169,088

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Solution

The third proportional to 77,146 and 169,088 is: 370,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,146 : 169,088 = 169,088 : x
  2. Step 2: Convert to fraction form
    77,146/169,088 = 169,088/x
  3. Step 3: Cross multiply
    77,146x = 169,088 × 169,088
  4. Step 4: Simplify right side
    77,146x = 28,590,751,744
  5. Step 5: Solve for x
    x = 28,590,751,744/77,146
  6. Step 6: Final answer
    x = 370,605.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.