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Finding the Third Proportional to 556,365 and 1,201,425

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Solution

The third proportional to 556,365 and 1,201,425 is: 2,594,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,365 : 1,201,425 = 1,201,425 : x
  2. Step 2: Convert to fraction form
    556,365/1,201,425 = 1,201,425/x
  3. Step 3: Cross multiply
    556,365x = 1,201,425 × 1,201,425
  4. Step 4: Simplify right side
    556,365x = 1,443,422,030,625
  5. Step 5: Solve for x
    x = 1,443,422,030,625/556,365
  6. Step 6: Final answer
    x = 2,594,379.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.