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Finding the Third Proportional to 46,278 and 69,219

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Solution

The third proportional to 46,278 and 69,219 is: 103,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,278 : 69,219 = 69,219 : x
  2. Step 2: Convert to fraction form
    46,278/69,219 = 69,219/x
  3. Step 3: Cross multiply
    46,278x = 69,219 × 69,219
  4. Step 4: Simplify right side
    46,278x = 4,791,269,961
  5. Step 5: Solve for x
    x = 4,791,269,961/46,278
  6. Step 6: Final answer
    x = 103,532.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.