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Finding the Third Proportional to 515,348 and 1,122,187

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Solution

The third proportional to 515,348 and 1,122,187 is: 2,443,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,348 : 1,122,187 = 1,122,187 : x
  2. Step 2: Convert to fraction form
    515,348/1,122,187 = 1,122,187/x
  3. Step 3: Cross multiply
    515,348x = 1,122,187 × 1,122,187
  4. Step 4: Simplify right side
    515,348x = 1,259,303,662,969
  5. Step 5: Solve for x
    x = 1,259,303,662,969/515,348
  6. Step 6: Final answer
    x = 2,443,598.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.