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Finding the Third Proportional to 18,999.56 and 29,575.76

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Solution

The third proportional to 18,999.56 and 29,575.76 is: 46,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.56 : 29,575.76 = 29,575.76 : x
  2. Step 2: Convert to fraction form
    18,999.56/29,575.76 = 29,575.76/x
  3. Step 3: Cross multiply
    18,999.56x = 29,575.76 × 29,575.76
  4. Step 4: Simplify right side
    18,999.56x = 874,725,450.18
  5. Step 5: Solve for x
    x = 874,725,450.18/18,999.56
  6. Step 6: Final answer
    x = 46,039.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.