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Finding the Third Proportional to 335,318.25 and 507,310.50

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Solution

The third proportional to 335,318.25 and 507,310.50 is: 767,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,318.25 : 507,310.50 = 507,310.50 : x
  2. Step 2: Convert to fraction form
    335,318.25/507,310.50 = 507,310.50/x
  3. Step 3: Cross multiply
    335,318.25x = 507,310.50 × 507,310.50
  4. Step 4: Simplify right side
    335,318.25x = 257,363,943,410.25
  5. Step 5: Solve for x
    x = 257,363,943,410.25/335,318.25
  6. Step 6: Final answer
    x = 767,521.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.