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Finding the Third Proportional to 1,291,221 and 1,895,359.50

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Solution

The third proportional to 1,291,221 and 1,895,359.50 is: 2,782,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,221 : 1,895,359.50 = 1,895,359.50 : x
  2. Step 2: Convert to fraction form
    1,291,221/1,895,359.50 = 1,895,359.50/x
  3. Step 3: Cross multiply
    1,291,221x = 1,895,359.50 × 1,895,359.50
  4. Step 4: Simplify right side
    1,291,221x = 3,592,387,634,240.25
  5. Step 5: Solve for x
    x = 3,592,387,634,240.25/1,291,221
  6. Step 6: Final answer
    x = 2,782,163.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.