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Finding the Third Proportional to 1,225,803 and 1,890,400.50

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Solution

The third proportional to 1,225,803 and 1,890,400.50 is: 2,915,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,803 : 1,890,400.50 = 1,890,400.50 : x
  2. Step 2: Convert to fraction form
    1,225,803/1,890,400.50 = 1,890,400.50/x
  3. Step 3: Cross multiply
    1,225,803x = 1,890,400.50 × 1,890,400.50
  4. Step 4: Simplify right side
    1,225,803x = 3,573,614,050,400.25
  5. Step 5: Solve for x
    x = 3,573,614,050,400.25/1,225,803
  6. Step 6: Final answer
    x = 2,915,324.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.