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Finding the Third Proportional to 272,790 and 366,948

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Solution

The third proportional to 272,790 and 366,948 is: 493,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,790 : 366,948 = 366,948 : x
  2. Step 2: Convert to fraction form
    272,790/366,948 = 366,948/x
  3. Step 3: Cross multiply
    272,790x = 366,948 × 366,948
  4. Step 4: Simplify right side
    272,790x = 134,650,834,704
  5. Step 5: Solve for x
    x = 134,650,834,704/272,790
  6. Step 6: Final answer
    x = 493,606.20

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.