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Finding the Third Proportional to 109,519,138 and 163,937,535

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Solution

The third proportional to 109,519,138 and 163,937,535 is: 245,395,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,519,138 : 163,937,535 = 163,937,535 : x
  2. Step 2: Convert to fraction form
    109,519,138/163,937,535 = 163,937,535/x
  3. Step 3: Cross multiply
    109,519,138x = 163,937,535 × 163,937,535
  4. Step 4: Simplify right side
    109,519,138x = 26,875,515,381,876,224
  5. Step 5: Solve for x
    x = 26,875,515,381,876,224/109,519,138
  6. Step 6: Final answer
    x = 245,395,607.31

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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.