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Finding the Third Proportional to 313,740 and 471,325.50

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Solution

The third proportional to 313,740 and 471,325.50 is: 708,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,740 : 471,325.50 = 471,325.50 : x
  2. Step 2: Convert to fraction form
    313,740/471,325.50 = 471,325.50/x
  3. Step 3: Cross multiply
    313,740x = 471,325.50 × 471,325.50
  4. Step 4: Simplify right side
    313,740x = 222,147,726,950.25
  5. Step 5: Solve for x
    x = 222,147,726,950.25/313,740
  6. Step 6: Final answer
    x = 708,063.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.