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Finding the Third Proportional to 788.06 and 1,153.41

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Solution

The third proportional to 788.06 and 1,153.41 is: 1,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.06 : 1,153.41 = 1,153.41 : x
  2. Step 2: Convert to fraction form
    788.06/1,153.41 = 1,153.41/x
  3. Step 3: Cross multiply
    788.06x = 1,153.41 × 1,153.41
  4. Step 4: Simplify right side
    788.06x = 1,330,345.98
  5. Step 5: Solve for x
    x = 1,330,345.98/788.06
  6. Step 6: Final answer
    x = 1,688.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.