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Finding the Third Proportional to 293,292 and 438,628.50

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Solution

The third proportional to 293,292 and 438,628.50 is: 655,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,292 : 438,628.50 = 438,628.50 : x
  2. Step 2: Convert to fraction form
    293,292/438,628.50 = 438,628.50/x
  3. Step 3: Cross multiply
    293,292x = 438,628.50 × 438,628.50
  4. Step 4: Simplify right side
    293,292x = 192,394,961,012.25
  5. Step 5: Solve for x
    x = 192,394,961,012.25/293,292
  6. Step 6: Final answer
    x = 655,984.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.