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Finding the Third Proportional to 712,480.50 and 1,115,376.75

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Solution

The third proportional to 712,480.50 and 1,115,376.75 is: 1,746,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,480.50 : 1,115,376.75 = 1,115,376.75 : x
  2. Step 2: Convert to fraction form
    712,480.50/1,115,376.75 = 1,115,376.75/x
  3. Step 3: Cross multiply
    712,480.50x = 1,115,376.75 × 1,115,376.75
  4. Step 4: Simplify right side
    712,480.50x = 1,244,065,294,440.56
  5. Step 5: Solve for x
    x = 1,244,065,294,440.56/712,480.50
  6. Step 6: Final answer
    x = 1,746,104.34

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.