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Finding the Third Proportional to 1,340,169 and 2,072,465

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Solution

The third proportional to 1,340,169 and 2,072,465 is: 3,204,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,169 : 2,072,465 = 2,072,465 : x
  2. Step 2: Convert to fraction form
    1,340,169/2,072,465 = 2,072,465/x
  3. Step 3: Cross multiply
    1,340,169x = 2,072,465 × 2,072,465
  4. Step 4: Simplify right side
    1,340,169x = 4,295,111,176,225
  5. Step 5: Solve for x
    x = 4,295,111,176,225/1,340,169
  6. Step 6: Final answer
    x = 3,204,902.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.