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Finding the Third Proportional to 391,604.63 and 605,848.50

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Solution

The third proportional to 391,604.63 and 605,848.50 is: 937,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,604.63 : 605,848.50 = 605,848.50 : x
  2. Step 2: Convert to fraction form
    391,604.63/605,848.50 = 605,848.50/x
  3. Step 3: Cross multiply
    391,604.63x = 605,848.50 × 605,848.50
  4. Step 4: Simplify right side
    391,604.63x = 367,052,404,952.25
  5. Step 5: Solve for x
    x = 367,052,404,952.25/391,604.63
  6. Step 6: Final answer
    x = 937,303.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.