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Finding the Third Proportional to 182,038 and 399,069

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Solution

The third proportional to 182,038 and 399,069 is: 874,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,038 : 399,069 = 399,069 : x
  2. Step 2: Convert to fraction form
    182,038/399,069 = 399,069/x
  3. Step 3: Cross multiply
    182,038x = 399,069 × 399,069
  4. Step 4: Simplify right side
    182,038x = 159,256,066,761
  5. Step 5: Solve for x
    x = 159,256,066,761/182,038
  6. Step 6: Final answer
    x = 874,850.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.