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Finding the Third Proportional to 280,890 and 606,672

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Solution

The third proportional to 280,890 and 606,672 is: 1,310,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,890 : 606,672 = 606,672 : x
  2. Step 2: Convert to fraction form
    280,890/606,672 = 606,672/x
  3. Step 3: Cross multiply
    280,890x = 606,672 × 606,672
  4. Step 4: Simplify right side
    280,890x = 368,050,915,584
  5. Step 5: Solve for x
    x = 368,050,915,584/280,890
  6. Step 6: Final answer
    x = 1,310,302.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.