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Finding the Third Proportional to 253,929 and 546,090

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Solution

The third proportional to 253,929 and 546,090 is: 1,174,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,929 : 546,090 = 546,090 : x
  2. Step 2: Convert to fraction form
    253,929/546,090 = 546,090/x
  3. Step 3: Cross multiply
    253,929x = 546,090 × 546,090
  4. Step 4: Simplify right side
    253,929x = 298,214,288,100
  5. Step 5: Solve for x
    x = 298,214,288,100/253,929
  6. Step 6: Final answer
    x = 1,174,400.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.