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Finding the Third Proportional to 619,440.75 and 908,690.06

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Solution

The third proportional to 619,440.75 and 908,690.06 is: 1,333,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,440.75 : 908,690.06 = 908,690.06 : x
  2. Step 2: Convert to fraction form
    619,440.75/908,690.06 = 908,690.06/x
  3. Step 3: Cross multiply
    619,440.75x = 908,690.06 × 908,690.06
  4. Step 4: Simplify right side
    619,440.75x = 825,717,629,686.25
  5. Step 5: Solve for x
    x = 825,717,629,686.25/619,440.75
  6. Step 6: Final answer
    x = 1,333,005.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.