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Finding the Third Proportional to 48,426 and 74,047

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Solution

The third proportional to 48,426 and 74,047 is: 113,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426 : 74,047 = 74,047 : x
  2. Step 2: Convert to fraction form
    48,426/74,047 = 74,047/x
  3. Step 3: Cross multiply
    48,426x = 74,047 × 74,047
  4. Step 4: Simplify right side
    48,426x = 5,482,958,209
  5. Step 5: Solve for x
    x = 5,482,958,209/48,426
  6. Step 6: Final answer
    x = 113,223.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.