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Finding the Third Proportional to 980,155 and 2,110,487

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Solution

The third proportional to 980,155 and 2,110,487 is: 4,544,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,155 : 2,110,487 = 2,110,487 : x
  2. Step 2: Convert to fraction form
    980,155/2,110,487 = 2,110,487/x
  3. Step 3: Cross multiply
    980,155x = 2,110,487 × 2,110,487
  4. Step 4: Simplify right side
    980,155x = 4,454,155,377,169
  5. Step 5: Solve for x
    x = 4,454,155,377,169/980,155
  6. Step 6: Final answer
    x = 4,544,337.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.