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Finding the Third Proportional to 818,856 and 1,263,276

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Solution

The third proportional to 818,856 and 1,263,276 is: 1,948,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,856 : 1,263,276 = 1,263,276 : x
  2. Step 2: Convert to fraction form
    818,856/1,263,276 = 1,263,276/x
  3. Step 3: Cross multiply
    818,856x = 1,263,276 × 1,263,276
  4. Step 4: Simplify right side
    818,856x = 1,595,866,252,176
  5. Step 5: Solve for x
    x = 1,595,866,252,176/818,856
  6. Step 6: Final answer
    x = 1,948,897.31

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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.