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Finding the Third Proportional to 415,415.25 and 903,730.50

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Solution

The third proportional to 415,415.25 and 903,730.50 is: 1,966,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,415.25 : 903,730.50 = 903,730.50 : x
  2. Step 2: Convert to fraction form
    415,415.25/903,730.50 = 903,730.50/x
  3. Step 3: Cross multiply
    415,415.25x = 903,730.50 × 903,730.50
  4. Step 4: Simplify right side
    415,415.25x = 816,728,816,630.25
  5. Step 5: Solve for x
    x = 816,728,816,630.25/415,415.25
  6. Step 6: Final answer
    x = 1,966,054.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.