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Finding the Third Proportional to 102,382 and 157,946

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Solution

The third proportional to 102,382 and 157,946 is: 243,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382 : 157,946 = 157,946 : x
  2. Step 2: Convert to fraction form
    102,382/157,946 = 157,946/x
  3. Step 3: Cross multiply
    102,382x = 157,946 × 157,946
  4. Step 4: Simplify right side
    102,382x = 24,946,938,916
  5. Step 5: Solve for x
    x = 24,946,938,916/102,382
  6. Step 6: Final answer
    x = 243,665.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.