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Finding the Third Proportional to 45,120 and 97,460

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Solution

The third proportional to 45,120 and 97,460 is: 210,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120 : 97,460 = 97,460 : x
  2. Step 2: Convert to fraction form
    45,120/97,460 = 97,460/x
  3. Step 3: Cross multiply
    45,120x = 97,460 × 97,460
  4. Step 4: Simplify right side
    45,120x = 9,498,451,600
  5. Step 5: Solve for x
    x = 9,498,451,600/45,120
  6. Step 6: Final answer
    x = 210,515.33

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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.