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Finding the Third Proportional to 74,138.88 and 114,895.13

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Solution

The third proportional to 74,138.88 and 114,895.13 is: 178,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,138.88 : 114,895.13 = 114,895.13 : x
  2. Step 2: Convert to fraction form
    74,138.88/114,895.13 = 114,895.13/x
  3. Step 3: Cross multiply
    74,138.88x = 114,895.13 × 114,895.13
  4. Step 4: Simplify right side
    74,138.88x = 13,200,889,748.77
  5. Step 5: Solve for x
    x = 13,200,889,748.77/74,138.88
  6. Step 6: Final answer
    x = 178,056.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.