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Finding the Third Proportional to 891,278 and 1,317,260

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Solution

The third proportional to 891,278 and 1,317,260 is: 1,946,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,278 : 1,317,260 = 1,317,260 : x
  2. Step 2: Convert to fraction form
    891,278/1,317,260 = 1,317,260/x
  3. Step 3: Cross multiply
    891,278x = 1,317,260 × 1,317,260
  4. Step 4: Simplify right side
    891,278x = 1,735,173,907,600
  5. Step 5: Solve for x
    x = 1,735,173,907,600/891,278
  6. Step 6: Final answer
    x = 1,946,838.03

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.