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Finding the Third Proportional to 708,958.50 and 1,089,717

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Solution

The third proportional to 708,958.50 and 1,089,717 is: 1,674,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,958.50 : 1,089,717 = 1,089,717 : x
  2. Step 2: Convert to fraction form
    708,958.50/1,089,717 = 1,089,717/x
  3. Step 3: Cross multiply
    708,958.50x = 1,089,717 × 1,089,717
  4. Step 4: Simplify right side
    708,958.50x = 1,187,483,140,089
  5. Step 5: Solve for x
    x = 1,187,483,140,089/708,958.50
  6. Step 6: Final answer
    x = 1,674,968.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.