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Finding the Third Proportional to 1,908,330 and 4,115,595.75

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Solution

The third proportional to 1,908,330 and 4,115,595.75 is: 8,875,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,330 : 4,115,595.75 = 4,115,595.75 : x
  2. Step 2: Convert to fraction form
    1,908,330/4,115,595.75 = 4,115,595.75/x
  3. Step 3: Cross multiply
    1,908,330x = 4,115,595.75 × 4,115,595.75
  4. Step 4: Simplify right side
    1,908,330x = 16,938,128,377,418.06
  5. Step 5: Solve for x
    x = 16,938,128,377,418.06/1,908,330
  6. Step 6: Final answer
    x = 8,875,890.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.