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Finding the Third Proportional to 991,808 and 2,035,888

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Solution

The third proportional to 991,808 and 2,035,888 is: 4,179,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,808 : 2,035,888 = 2,035,888 : x
  2. Step 2: Convert to fraction form
    991,808/2,035,888 = 2,035,888/x
  3. Step 3: Cross multiply
    991,808x = 2,035,888 × 2,035,888
  4. Step 4: Simplify right side
    991,808x = 4,144,839,948,544
  5. Step 5: Solve for x
    x = 4,144,839,948,544/991,808
  6. Step 6: Final answer
    x = 4,179,074.93

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.