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Finding the Third Proportional to 1,803,838.50 and 3,756,939.75

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Solution

The third proportional to 1,803,838.50 and 3,756,939.75 is: 7,824,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,838.50 : 3,756,939.75 = 3,756,939.75 : x
  2. Step 2: Convert to fraction form
    1,803,838.50/3,756,939.75 = 3,756,939.75/x
  3. Step 3: Cross multiply
    1,803,838.50x = 3,756,939.75 × 3,756,939.75
  4. Step 4: Simplify right side
    1,803,838.50x = 14,114,596,285,130.06
  5. Step 5: Solve for x
    x = 14,114,596,285,130.06/1,803,838.50
  6. Step 6: Final answer
    x = 7,824,756.09

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.