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Finding the Third Proportional to 450,347.50 and 989,268.50

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Solution

The third proportional to 450,347.50 and 989,268.50 is: 2,173,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,347.50 : 989,268.50 = 989,268.50 : x
  2. Step 2: Convert to fraction form
    450,347.50/989,268.50 = 989,268.50/x
  3. Step 3: Cross multiply
    450,347.50x = 989,268.50 × 989,268.50
  4. Step 4: Simplify right side
    450,347.50x = 978,652,165,092.25
  5. Step 5: Solve for x
    x = 978,652,165,092.25/450,347.50
  6. Step 6: Final answer
    x = 2,173,104.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.