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Finding the Third Proportional to 413,503.75 and 890,364.50

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Solution

The third proportional to 413,503.75 and 890,364.50 is: 1,917,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,503.75 : 890,364.50 = 890,364.50 : x
  2. Step 2: Convert to fraction form
    413,503.75/890,364.50 = 890,364.50/x
  3. Step 3: Cross multiply
    413,503.75x = 890,364.50 × 890,364.50
  4. Step 4: Simplify right side
    413,503.75x = 792,748,942,860.25
  5. Step 5: Solve for x
    x = 792,748,942,860.25/413,503.75
  6. Step 6: Final answer
    x = 1,917,150.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.