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Finding the Third Proportional to 719,811 and 1,666,363.50

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Solution

The third proportional to 719,811 and 1,666,363.50 is: 3,857,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,811 : 1,666,363.50 = 1,666,363.50 : x
  2. Step 2: Convert to fraction form
    719,811/1,666,363.50 = 1,666,363.50/x
  3. Step 3: Cross multiply
    719,811x = 1,666,363.50 × 1,666,363.50
  4. Step 4: Simplify right side
    719,811x = 2,776,767,314,132.25
  5. Step 5: Solve for x
    x = 2,776,767,314,132.25/719,811
  6. Step 6: Final answer
    x = 3,857,633.90

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.