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Finding the Third Proportional to 228,570 and 348,658.50

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Solution

The third proportional to 228,570 and 348,658.50 is: 531,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,570 : 348,658.50 = 348,658.50 : x
  2. Step 2: Convert to fraction form
    228,570/348,658.50 = 348,658.50/x
  3. Step 3: Cross multiply
    228,570x = 348,658.50 × 348,658.50
  4. Step 4: Simplify right side
    228,570x = 121,562,749,622.25
  5. Step 5: Solve for x
    x = 121,562,749,622.25/228,570
  6. Step 6: Final answer
    x = 531,840.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.