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Finding the Third Proportional to 515,622 and 1,110,237

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Solution

The third proportional to 515,622 and 1,110,237 is: 2,390,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,622 : 1,110,237 = 1,110,237 : x
  2. Step 2: Convert to fraction form
    515,622/1,110,237 = 1,110,237/x
  3. Step 3: Cross multiply
    515,622x = 1,110,237 × 1,110,237
  4. Step 4: Simplify right side
    515,622x = 1,232,626,196,169
  5. Step 5: Solve for x
    x = 1,232,626,196,169/515,622
  6. Step 6: Final answer
    x = 2,390,561.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.