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Finding the Third Proportional to 708,810.75 and 1,089,460.13

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Solution

The third proportional to 708,810.75 and 1,089,460.13 is: 1,674,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,810.75 : 1,089,460.13 = 1,089,460.13 : x
  2. Step 2: Convert to fraction form
    708,810.75/1,089,460.13 = 1,089,460.13/x
  3. Step 3: Cross multiply
    708,810.75x = 1,089,460.13 × 1,089,460.13
  4. Step 4: Simplify right side
    708,810.75x = 1,186,923,363,965.02
  5. Step 5: Solve for x
    x = 1,186,923,363,965.02/708,810.75
  6. Step 6: Final answer
    x = 1,674,527.88

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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.