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Finding the Third Proportional to 340,303.50 and 462,442.50

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Solution

The third proportional to 340,303.50 and 462,442.50 is: 628,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,303.50 : 462,442.50 = 462,442.50 : x
  2. Step 2: Convert to fraction form
    340,303.50/462,442.50 = 462,442.50/x
  3. Step 3: Cross multiply
    340,303.50x = 462,442.50 × 462,442.50
  4. Step 4: Simplify right side
    340,303.50x = 213,853,065,806.25
  5. Step 5: Solve for x
    x = 213,853,065,806.25/340,303.50
  6. Step 6: Final answer
    x = 628,418.65

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.