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Finding the Third Proportional to 228,408 and 351,348

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Solution

The third proportional to 228,408 and 351,348 is: 540,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,408 : 351,348 = 351,348 : x
  2. Step 2: Convert to fraction form
    228,408/351,348 = 351,348/x
  3. Step 3: Cross multiply
    228,408x = 351,348 × 351,348
  4. Step 4: Simplify right side
    228,408x = 123,445,417,104
  5. Step 5: Solve for x
    x = 123,445,417,104/228,408
  6. Step 6: Final answer
    x = 540,460.13

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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.