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Finding the Third Proportional to 1,812,499.03 and 3,908,658.80

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Solution

The third proportional to 1,812,499.03 and 3,908,658.80 is: 8,429,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,499.03 : 3,908,658.80 = 3,908,658.80 : x
  2. Step 2: Convert to fraction form
    1,812,499.03/3,908,658.80 = 3,908,658.80/x
  3. Step 3: Cross multiply
    1,812,499.03x = 3,908,658.80 × 3,908,658.80
  4. Step 4: Simplify right side
    1,812,499.03x = 15,277,613,590,388.32
  5. Step 5: Solve for x
    x = 15,277,613,590,388.32/1,812,499.03
  6. Step 6: Final answer
    x = 8,429,032.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.