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Finding the Third Proportional to 28,890 and 60,574

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Solution

The third proportional to 28,890 and 60,574 is: 127,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890 : 60,574 = 60,574 : x
  2. Step 2: Convert to fraction form
    28,890/60,574 = 60,574/x
  3. Step 3: Cross multiply
    28,890x = 60,574 × 60,574
  4. Step 4: Simplify right side
    28,890x = 3,669,209,476
  5. Step 5: Solve for x
    x = 3,669,209,476/28,890
  6. Step 6: Final answer
    x = 127,006.21

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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.