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Finding the Third Proportional to 144,639 and 223,938

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Solution

The third proportional to 144,639 and 223,938 is: 346,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,639 : 223,938 = 223,938 : x
  2. Step 2: Convert to fraction form
    144,639/223,938 = 223,938/x
  3. Step 3: Cross multiply
    144,639x = 223,938 × 223,938
  4. Step 4: Simplify right side
    144,639x = 50,148,227,844
  5. Step 5: Solve for x
    x = 50,148,227,844/144,639
  6. Step 6: Final answer
    x = 346,713.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.