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Finding the Third Proportional to 530,965.50 and 842,080.50

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Solution

The third proportional to 530,965.50 and 842,080.50 is: 1,335,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,965.50 : 842,080.50 = 842,080.50 : x
  2. Step 2: Convert to fraction form
    530,965.50/842,080.50 = 842,080.50/x
  3. Step 3: Cross multiply
    530,965.50x = 842,080.50 × 842,080.50
  4. Step 4: Simplify right side
    530,965.50x = 709,099,568,480.25
  5. Step 5: Solve for x
    x = 709,099,568,480.25/530,965.50
  6. Step 6: Final answer
    x = 1,335,490.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.