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Finding the Third Proportional to 35,521.50 and 51,318

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Solution

The third proportional to 35,521.50 and 51,318 is: 74,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.50 : 51,318 = 51,318 : x
  2. Step 2: Convert to fraction form
    35,521.50/51,318 = 51,318/x
  3. Step 3: Cross multiply
    35,521.50x = 51,318 × 51,318
  4. Step 4: Simplify right side
    35,521.50x = 2,633,537,124
  5. Step 5: Solve for x
    x = 2,633,537,124/35,521.50
  6. Step 6: Final answer
    x = 74,139.24

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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.