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Finding the Third Proportional to 67,280.63 and 141,531.75

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Solution

The third proportional to 67,280.63 and 141,531.75 is: 297,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.63 : 141,531.75 = 141,531.75 : x
  2. Step 2: Convert to fraction form
    67,280.63/141,531.75 = 141,531.75/x
  3. Step 3: Cross multiply
    67,280.63x = 141,531.75 × 141,531.75
  4. Step 4: Simplify right side
    67,280.63x = 20,031,236,258.06
  5. Step 5: Solve for x
    x = 20,031,236,258.06/67,280.63
  6. Step 6: Final answer
    x = 297,726.67

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.