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Finding the Third Proportional to 15,780,768 and 33,999,318

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Solution

The third proportional to 15,780,768 and 33,999,318 is: 73,250,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,768 : 33,999,318 = 33,999,318 : x
  2. Step 2: Convert to fraction form
    15,780,768/33,999,318 = 33,999,318/x
  3. Step 3: Cross multiply
    15,780,768x = 33,999,318 × 33,999,318
  4. Step 4: Simplify right side
    15,780,768x = 1,155,953,624,465,124
  5. Step 5: Solve for x
    x = 1,155,953,624,465,124/15,780,768
  6. Step 6: Final answer
    x = 73,250,783.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.