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Finding the Third Proportional to 54,216 and 117,482

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Solution

The third proportional to 54,216 and 117,482 is: 254,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216 : 117,482 = 117,482 : x
  2. Step 2: Convert to fraction form
    54,216/117,482 = 117,482/x
  3. Step 3: Cross multiply
    54,216x = 117,482 × 117,482
  4. Step 4: Simplify right side
    54,216x = 13,802,020,324
  5. Step 5: Solve for x
    x = 13,802,020,324/54,216
  6. Step 6: Final answer
    x = 254,574.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.