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Finding the Third Proportional to 29,556 and 40,642.50

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Solution

The third proportional to 29,556 and 40,642.50 is: 55,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556 : 40,642.50 = 40,642.50 : x
  2. Step 2: Convert to fraction form
    29,556/40,642.50 = 40,642.50/x
  3. Step 3: Cross multiply
    29,556x = 40,642.50 × 40,642.50
  4. Step 4: Simplify right side
    29,556x = 1,651,812,806.25
  5. Step 5: Solve for x
    x = 1,651,812,806.25/29,556
  6. Step 6: Final answer
    x = 55,887.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.