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Finding the Third Proportional to 185,040 and 411,488

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Solution

The third proportional to 185,040 and 411,488 is: 915,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,040 : 411,488 = 411,488 : x
  2. Step 2: Convert to fraction form
    185,040/411,488 = 411,488/x
  3. Step 3: Cross multiply
    185,040x = 411,488 × 411,488
  4. Step 4: Simplify right side
    185,040x = 169,322,374,144
  5. Step 5: Solve for x
    x = 169,322,374,144/185,040
  6. Step 6: Final answer
    x = 915,058.23

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.