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Finding the Third Proportional to 1,775,618 and 3,913,168

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Solution

The third proportional to 1,775,618 and 3,913,168 is: 8,623,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,618 : 3,913,168 = 3,913,168 : x
  2. Step 2: Convert to fraction form
    1,775,618/3,913,168 = 3,913,168/x
  3. Step 3: Cross multiply
    1,775,618x = 3,913,168 × 3,913,168
  4. Step 4: Simplify right side
    1,775,618x = 15,312,883,796,224
  5. Step 5: Solve for x
    x = 15,312,883,796,224/1,775,618
  6. Step 6: Final answer
    x = 8,623,974.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.