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Finding the Third Proportional to 4,779 and 7,362

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Solution

The third proportional to 4,779 and 7,362 is: 11,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779 : 7,362 = 7,362 : x
  2. Step 2: Convert to fraction form
    4,779/7,362 = 7,362/x
  3. Step 3: Cross multiply
    4,779x = 7,362 × 7,362
  4. Step 4: Simplify right side
    4,779x = 54,199,044
  5. Step 5: Solve for x
    x = 54,199,044/4,779
  6. Step 6: Final answer
    x = 11,341.08

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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.