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Finding the Third Proportional to 448,699 and 673,376

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Solution

The third proportional to 448,699 and 673,376 is: 1,010,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,699 : 673,376 = 673,376 : x
  2. Step 2: Convert to fraction form
    448,699/673,376 = 673,376/x
  3. Step 3: Cross multiply
    448,699x = 673,376 × 673,376
  4. Step 4: Simplify right side
    448,699x = 453,435,237,376
  5. Step 5: Solve for x
    x = 453,435,237,376/448,699
  6. Step 6: Final answer
    x = 1,010,555.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.