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Finding the Third Proportional to 1,571,521.50 and 3,430,911

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Solution

The third proportional to 1,571,521.50 and 3,430,911 is: 7,490,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,521.50 : 3,430,911 = 3,430,911 : x
  2. Step 2: Convert to fraction form
    1,571,521.50/3,430,911 = 3,430,911/x
  3. Step 3: Cross multiply
    1,571,521.50x = 3,430,911 × 3,430,911
  4. Step 4: Simplify right side
    1,571,521.50x = 11,771,150,289,921
  5. Step 5: Solve for x
    x = 11,771,150,289,921/1,571,521.50
  6. Step 6: Final answer
    x = 7,490,289.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.