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Finding the Third Proportional to 1,230,871.50 and 1,806,369.75

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Solution

The third proportional to 1,230,871.50 and 1,806,369.75 is: 2,650,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,871.50 : 1,806,369.75 = 1,806,369.75 : x
  2. Step 2: Convert to fraction form
    1,230,871.50/1,806,369.75 = 1,806,369.75/x
  3. Step 3: Cross multiply
    1,230,871.50x = 1,806,369.75 × 1,806,369.75
  4. Step 4: Simplify right side
    1,230,871.50x = 3,262,971,673,715.06
  5. Step 5: Solve for x
    x = 3,262,971,673,715.06/1,230,871.50
  6. Step 6: Final answer
    x = 2,650,944.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.