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Finding the Third Proportional to 140,444 and 307,160

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Solution

The third proportional to 140,444 and 307,160 is: 671,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,444 : 307,160 = 307,160 : x
  2. Step 2: Convert to fraction form
    140,444/307,160 = 307,160/x
  3. Step 3: Cross multiply
    140,444x = 307,160 × 307,160
  4. Step 4: Simplify right side
    140,444x = 94,347,265,600
  5. Step 5: Solve for x
    x = 94,347,265,600/140,444
  6. Step 6: Final answer
    x = 671,778.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.