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Finding the Third Proportional to 164,055.38 and 257,018.06

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Solution

The third proportional to 164,055.38 and 257,018.06 is: 402,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,055.38 : 257,018.06 = 257,018.06 : x
  2. Step 2: Convert to fraction form
    164,055.38/257,018.06 = 257,018.06/x
  3. Step 3: Cross multiply
    164,055.38x = 257,018.06 × 257,018.06
  4. Step 4: Simplify right side
    164,055.38x = 66,058,284,451.25
  5. Step 5: Solve for x
    x = 66,058,284,451.25/164,055.38
  6. Step 6: Final answer
    x = 402,658.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.