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Finding the Third Proportional to 158,370 and 352,155

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Solution

The third proportional to 158,370 and 352,155 is: 783,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,370 : 352,155 = 352,155 : x
  2. Step 2: Convert to fraction form
    158,370/352,155 = 352,155/x
  3. Step 3: Cross multiply
    158,370x = 352,155 × 352,155
  4. Step 4: Simplify right side
    158,370x = 124,013,144,025
  5. Step 5: Solve for x
    x = 124,013,144,025/158,370
  6. Step 6: Final answer
    x = 783,059.57

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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.