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Finding the Third Proportional to 473,828 and 1,036,220

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Solution

The third proportional to 473,828 and 1,036,220 is: 2,266,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,828 : 1,036,220 = 1,036,220 : x
  2. Step 2: Convert to fraction form
    473,828/1,036,220 = 1,036,220/x
  3. Step 3: Cross multiply
    473,828x = 1,036,220 × 1,036,220
  4. Step 4: Simplify right side
    473,828x = 1,073,751,888,400
  5. Step 5: Solve for x
    x = 1,073,751,888,400/473,828
  6. Step 6: Final answer
    x = 2,266,121.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.