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Finding the Third Proportional to 118,916 and 174,432

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Solution

The third proportional to 118,916 and 174,432 is: 255,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,916 : 174,432 = 174,432 : x
  2. Step 2: Convert to fraction form
    118,916/174,432 = 174,432/x
  3. Step 3: Cross multiply
    118,916x = 174,432 × 174,432
  4. Step 4: Simplify right side
    118,916x = 30,426,522,624
  5. Step 5: Solve for x
    x = 30,426,522,624/118,916
  6. Step 6: Final answer
    x = 255,865.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.