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Finding the Third Proportional to 214,393 and 315,166.50

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Solution

The third proportional to 214,393 and 315,166.50 is: 463,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,393 : 315,166.50 = 315,166.50 : x
  2. Step 2: Convert to fraction form
    214,393/315,166.50 = 315,166.50/x
  3. Step 3: Cross multiply
    214,393x = 315,166.50 × 315,166.50
  4. Step 4: Simplify right side
    214,393x = 99,329,922,722.25
  5. Step 5: Solve for x
    x = 99,329,922,722.25/214,393
  6. Step 6: Final answer
    x = 463,307.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.