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Finding the Third Proportional to 19,875.38 and 41,790.94

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Solution

The third proportional to 19,875.38 and 41,790.94 is: 87,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.38 : 41,790.94 = 41,790.94 : x
  2. Step 2: Convert to fraction form
    19,875.38/41,790.94 = 41,790.94/x
  3. Step 3: Cross multiply
    19,875.38x = 41,790.94 × 41,790.94
  4. Step 4: Simplify right side
    19,875.38x = 1,746,482,457.13
  5. Step 5: Solve for x
    x = 1,746,482,457.13/19,875.38
  6. Step 6: Final answer
    x = 87,871.67

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.