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Finding the Third Proportional to 166,307.63 and 258,031.13

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Solution

The third proportional to 166,307.63 and 258,031.13 is: 400,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.63 : 258,031.13 = 258,031.13 : x
  2. Step 2: Convert to fraction form
    166,307.63/258,031.13 = 258,031.13/x
  3. Step 3: Cross multiply
    166,307.63x = 258,031.13 × 258,031.13
  4. Step 4: Simplify right side
    166,307.63x = 66,580,061,468.77
  5. Step 5: Solve for x
    x = 66,580,061,468.77/166,307.63
  6. Step 6: Final answer
    x = 400,342.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.