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Finding the Third Proportional to 448,446 and 671,433

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Solution

The third proportional to 448,446 and 671,433 is: 1,005,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,446 : 671,433 = 671,433 : x
  2. Step 2: Convert to fraction form
    448,446/671,433 = 671,433/x
  3. Step 3: Cross multiply
    448,446x = 671,433 × 671,433
  4. Step 4: Simplify right side
    448,446x = 450,822,273,489
  5. Step 5: Solve for x
    x = 450,822,273,489/448,446
  6. Step 6: Final answer
    x = 1,005,298.91

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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.