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Finding the Third Proportional to 54,310 and 84,095

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Solution

The third proportional to 54,310 and 84,095 is: 130,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310 : 84,095 = 84,095 : x
  2. Step 2: Convert to fraction form
    54,310/84,095 = 84,095/x
  3. Step 3: Cross multiply
    54,310x = 84,095 × 84,095
  4. Step 4: Simplify right side
    54,310x = 7,071,969,025
  5. Step 5: Solve for x
    x = 7,071,969,025/54,310
  6. Step 6: Final answer
    x = 130,214.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.