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Finding the Third Proportional to 1,084,516.50 and 1,681,302.75

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Solution

The third proportional to 1,084,516.50 and 1,681,302.75 is: 2,606,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,516.50 : 1,681,302.75 = 1,681,302.75 : x
  2. Step 2: Convert to fraction form
    1,084,516.50/1,681,302.75 = 1,681,302.75/x
  3. Step 3: Cross multiply
    1,084,516.50x = 1,681,302.75 × 1,681,302.75
  4. Step 4: Simplify right side
    1,084,516.50x = 2,826,778,937,157.56
  5. Step 5: Solve for x
    x = 2,826,778,937,157.56/1,084,516.50
  6. Step 6: Final answer
    x = 2,606,487.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.