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Finding the Third Proportional to 550,468.50 and 911,035.50

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Solution

The third proportional to 550,468.50 and 911,035.50 is: 1,507,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,468.50 : 911,035.50 = 911,035.50 : x
  2. Step 2: Convert to fraction form
    550,468.50/911,035.50 = 911,035.50/x
  3. Step 3: Cross multiply
    550,468.50x = 911,035.50 × 911,035.50
  4. Step 4: Simplify right side
    550,468.50x = 829,985,682,260.25
  5. Step 5: Solve for x
    x = 829,985,682,260.25/550,468.50
  6. Step 6: Final answer
    x = 1,507,780.52

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.