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Finding the Third Proportional to 74,160 and 113,616

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Solution

The third proportional to 74,160 and 113,616 is: 174,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160 : 113,616 = 113,616 : x
  2. Step 2: Convert to fraction form
    74,160/113,616 = 113,616/x
  3. Step 3: Cross multiply
    74,160x = 113,616 × 113,616
  4. Step 4: Simplify right side
    74,160x = 12,908,595,456
  5. Step 5: Solve for x
    x = 12,908,595,456/74,160
  6. Step 6: Final answer
    x = 174,064.12

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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.