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Finding the Third Proportional to 581,220 and 888,736

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Solution

The third proportional to 581,220 and 888,736 is: 1,358,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,220 : 888,736 = 888,736 : x
  2. Step 2: Convert to fraction form
    581,220/888,736 = 888,736/x
  3. Step 3: Cross multiply
    581,220x = 888,736 × 888,736
  4. Step 4: Simplify right side
    581,220x = 789,851,677,696
  5. Step 5: Solve for x
    x = 789,851,677,696/581,220
  6. Step 6: Final answer
    x = 1,358,954.75

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.