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Finding the Third Proportional to 45,290 and 65,235

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Solution

The third proportional to 45,290 and 65,235 is: 93,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290 : 65,235 = 65,235 : x
  2. Step 2: Convert to fraction form
    45,290/65,235 = 65,235/x
  3. Step 3: Cross multiply
    45,290x = 65,235 × 65,235
  4. Step 4: Simplify right side
    45,290x = 4,255,605,225
  5. Step 5: Solve for x
    x = 4,255,605,225/45,290
  6. Step 6: Final answer
    x = 93,963.46

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.