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Finding the Third Proportional to 18,862.03 and 40,688.16

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Solution

The third proportional to 18,862.03 and 40,688.16 is: 87,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.03 : 40,688.16 = 40,688.16 : x
  2. Step 2: Convert to fraction form
    18,862.03/40,688.16 = 40,688.16/x
  3. Step 3: Cross multiply
    18,862.03x = 40,688.16 × 40,688.16
  4. Step 4: Simplify right side
    18,862.03x = 1,655,526,059.02
  5. Step 5: Solve for x
    x = 1,655,526,059.02/18,862.03
  6. Step 6: Final answer
    x = 87,770.30

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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.