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Finding the Third Proportional to 103,995 and 148,718

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Solution

The third proportional to 103,995 and 148,718 is: 212,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995 : 148,718 = 148,718 : x
  2. Step 2: Convert to fraction form
    103,995/148,718 = 148,718/x
  3. Step 3: Cross multiply
    103,995x = 148,718 × 148,718
  4. Step 4: Simplify right side
    103,995x = 22,117,043,524
  5. Step 5: Solve for x
    x = 22,117,043,524/103,995
  6. Step 6: Final answer
    x = 212,674.10

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.