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Finding the Third Proportional to 344,930 and 740,260

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Solution

The third proportional to 344,930 and 740,260 is: 1,588,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,930 : 740,260 = 740,260 : x
  2. Step 2: Convert to fraction form
    344,930/740,260 = 740,260/x
  3. Step 3: Cross multiply
    344,930x = 740,260 × 740,260
  4. Step 4: Simplify right side
    344,930x = 547,984,867,600
  5. Step 5: Solve for x
    x = 547,984,867,600/344,930
  6. Step 6: Final answer
    x = 1,588,684.28

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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.