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Finding the Third Proportional to 109,519,128 and 163,937,520

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Solution

The third proportional to 109,519,128 and 163,937,520 is: 245,395,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,519,128 : 163,937,520 = 163,937,520 : x
  2. Step 2: Convert to fraction form
    109,519,128/163,937,520 = 163,937,520/x
  3. Step 3: Cross multiply
    109,519,128x = 163,937,520 × 163,937,520
  4. Step 4: Simplify right side
    109,519,128x = 26,875,510,463,750,400
  5. Step 5: Solve for x
    x = 26,875,510,463,750,400/109,519,128
  6. Step 6: Final answer
    x = 245,395,584.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.