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Finding the Third Proportional to 35,290 and 76,340

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Solution

The third proportional to 35,290 and 76,340 is: 165,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290 : 76,340 = 76,340 : x
  2. Step 2: Convert to fraction form
    35,290/76,340 = 76,340/x
  3. Step 3: Cross multiply
    35,290x = 76,340 × 76,340
  4. Step 4: Simplify right side
    35,290x = 5,827,795,600
  5. Step 5: Solve for x
    x = 5,827,795,600/35,290
  6. Step 6: Final answer
    x = 165,140.14

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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.