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Finding the Third Proportional to 577,422 and 1,256,437.50

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Solution

The third proportional to 577,422 and 1,256,437.50 is: 2,733,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,422 : 1,256,437.50 = 1,256,437.50 : x
  2. Step 2: Convert to fraction form
    577,422/1,256,437.50 = 1,256,437.50/x
  3. Step 3: Cross multiply
    577,422x = 1,256,437.50 × 1,256,437.50
  4. Step 4: Simplify right side
    577,422x = 1,578,635,191,406.25
  5. Step 5: Solve for x
    x = 1,578,635,191,406.25/577,422
  6. Step 6: Final answer
    x = 2,733,936.69

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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.