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Finding the Third Proportional to 448,598 and 672,915

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Solution

The third proportional to 448,598 and 672,915 is: 1,009,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,598 : 672,915 = 672,915 : x
  2. Step 2: Convert to fraction form
    448,598/672,915 = 672,915/x
  3. Step 3: Cross multiply
    448,598x = 672,915 × 672,915
  4. Step 4: Simplify right side
    448,598x = 452,814,597,225
  5. Step 5: Solve for x
    x = 452,814,597,225/448,598
  6. Step 6: Final answer
    x = 1,009,399.50

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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.