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Finding the Third Proportional to 708,954 and 1,089,712

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Solution

The third proportional to 708,954 and 1,089,712 is: 1,674,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,954 : 1,089,712 = 1,089,712 : x
  2. Step 2: Convert to fraction form
    708,954/1,089,712 = 1,089,712/x
  3. Step 3: Cross multiply
    708,954x = 1,089,712 × 1,089,712
  4. Step 4: Simplify right side
    708,954x = 1,187,472,242,944
  5. Step 5: Solve for x
    x = 1,187,472,242,944/708,954
  6. Step 6: Final answer
    x = 1,674,963.74

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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.