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Finding the Third Proportional to 301,334 and 455,889

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Solution

The third proportional to 301,334 and 455,889 is: 689,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,334 : 455,889 = 455,889 : x
  2. Step 2: Convert to fraction form
    301,334/455,889 = 455,889/x
  3. Step 3: Cross multiply
    301,334x = 455,889 × 455,889
  4. Step 4: Simplify right side
    301,334x = 207,834,780,321
  5. Step 5: Solve for x
    x = 207,834,780,321/301,334
  6. Step 6: Final answer
    x = 689,715.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.