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Finding the Third Proportional to 354,479 and 544,859

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Solution

The third proportional to 354,479 and 544,859 is: 837,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,479 : 544,859 = 544,859 : x
  2. Step 2: Convert to fraction form
    354,479/544,859 = 544,859/x
  3. Step 3: Cross multiply
    354,479x = 544,859 × 544,859
  4. Step 4: Simplify right side
    354,479x = 296,871,329,881
  5. Step 5: Solve for x
    x = 296,871,329,881/354,479
  6. Step 6: Final answer
    x = 837,486.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.