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Finding the Third Proportional to 622,630.50 and 911,740.50

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Solution

The third proportional to 622,630.50 and 911,740.50 is: 1,335,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,630.50 : 911,740.50 = 911,740.50 : x
  2. Step 2: Convert to fraction form
    622,630.50/911,740.50 = 911,740.50/x
  3. Step 3: Cross multiply
    622,630.50x = 911,740.50 × 911,740.50
  4. Step 4: Simplify right side
    622,630.50x = 831,270,739,340.25
  5. Step 5: Solve for x
    x = 831,270,739,340.25/622,630.50
  6. Step 6: Final answer
    x = 1,335,094.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.