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Finding the Third Proportional to 51,994 and 74,354

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Solution

The third proportional to 51,994 and 74,354 is: 106,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994 : 74,354 = 74,354 : x
  2. Step 2: Convert to fraction form
    51,994/74,354 = 74,354/x
  3. Step 3: Cross multiply
    51,994x = 74,354 × 74,354
  4. Step 4: Simplify right side
    51,994x = 5,528,517,316
  5. Step 5: Solve for x
    x = 5,528,517,316/51,994
  6. Step 6: Final answer
    x = 106,329.91

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.