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Finding the Third Proportional to 1,985,355 and 4,209,100.50

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Solution

The third proportional to 1,985,355 and 4,209,100.50 is: 8,923,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,355 : 4,209,100.50 = 4,209,100.50 : x
  2. Step 2: Convert to fraction form
    1,985,355/4,209,100.50 = 4,209,100.50/x
  3. Step 3: Cross multiply
    1,985,355x = 4,209,100.50 × 4,209,100.50
  4. Step 4: Simplify right side
    1,985,355x = 17,716,527,019,100.25
  5. Step 5: Solve for x
    x = 17,716,527,019,100.25/1,985,355
  6. Step 6: Final answer
    x = 8,923,606.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.