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Finding the Third Proportional to 454.75 and 970.25

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Solution

The third proportional to 454.75 and 970.25 is: 2,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.75 : 970.25 = 970.25 : x
  2. Step 2: Convert to fraction form
    454.75/970.25 = 970.25/x
  3. Step 3: Cross multiply
    454.75x = 970.25 × 970.25
  4. Step 4: Simplify right side
    454.75x = 941,385.06
  5. Step 5: Solve for x
    x = 941,385.06/454.75
  6. Step 6: Final answer
    x = 2,070.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.