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Finding the Third Proportional to 1,299,271.50 and 2,680,924.50

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Solution

The third proportional to 1,299,271.50 and 2,680,924.50 is: 5,531,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,271.50 : 2,680,924.50 = 2,680,924.50 : x
  2. Step 2: Convert to fraction form
    1,299,271.50/2,680,924.50 = 2,680,924.50/x
  3. Step 3: Cross multiply
    1,299,271.50x = 2,680,924.50 × 2,680,924.50
  4. Step 4: Simplify right side
    1,299,271.50x = 7,187,356,174,700.25
  5. Step 5: Solve for x
    x = 7,187,356,174,700.25/1,299,271.50
  6. Step 6: Final answer
    x = 5,531,835.47

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.