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Finding the Third Proportional to 912,474 and 1,985,487.75

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Solution

The third proportional to 912,474 and 1,985,487.75 is: 4,320,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,474 : 1,985,487.75 = 1,985,487.75 : x
  2. Step 2: Convert to fraction form
    912,474/1,985,487.75 = 1,985,487.75/x
  3. Step 3: Cross multiply
    912,474x = 1,985,487.75 × 1,985,487.75
  4. Step 4: Simplify right side
    912,474x = 3,942,161,605,400.06
  5. Step 5: Solve for x
    x = 3,942,161,605,400.06/912,474
  6. Step 6: Final answer
    x = 4,320,300.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.