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Finding the Third Proportional to 102,480 and 155,084

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Solution

The third proportional to 102,480 and 155,084 is: 234,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,480 : 155,084 = 155,084 : x
  2. Step 2: Convert to fraction form
    102,480/155,084 = 155,084/x
  3. Step 3: Cross multiply
    102,480x = 155,084 × 155,084
  4. Step 4: Simplify right side
    102,480x = 24,051,047,056
  5. Step 5: Solve for x
    x = 24,051,047,056/102,480
  6. Step 6: Final answer
    x = 234,690.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.