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Finding the Third Proportional to 157,945 and 372,854

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Solution

The third proportional to 157,945 and 372,854 is: 880,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,945 : 372,854 = 372,854 : x
  2. Step 2: Convert to fraction form
    157,945/372,854 = 372,854/x
  3. Step 3: Cross multiply
    157,945x = 372,854 × 372,854
  4. Step 4: Simplify right side
    157,945x = 139,020,105,316
  5. Step 5: Solve for x
    x = 139,020,105,316/157,945
  6. Step 6: Final answer
    x = 880,180.48

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.