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Finding the Third Proportional to 1,136,213.63 and 1,808,812.69

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Solution

The third proportional to 1,136,213.63 and 1,808,812.69 is: 2,879,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,213.63 : 1,808,812.69 = 1,808,812.69 : x
  2. Step 2: Convert to fraction form
    1,136,213.63/1,808,812.69 = 1,808,812.69/x
  3. Step 3: Cross multiply
    1,136,213.63x = 1,808,812.69 × 1,808,812.69
  4. Step 4: Simplify right side
    1,136,213.63x = 3,271,803,338,460.97
  5. Step 5: Solve for x
    x = 3,271,803,338,460.97/1,136,213.63
  6. Step 6: Final answer
    x = 2,879,567.07

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.