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Finding the Third Proportional to 28,973,963.25 and 61,401,928.50

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Solution

The third proportional to 28,973,963.25 and 61,401,928.50 is: 130,123,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,963.25 : 61,401,928.50 = 61,401,928.50 : x
  2. Step 2: Convert to fraction form
    28,973,963.25/61,401,928.50 = 61,401,928.50/x
  3. Step 3: Cross multiply
    28,973,963.25x = 61,401,928.50 × 61,401,928.50
  4. Step 4: Simplify right side
    28,973,963.25x = 3,770,196,823,519,112
  5. Step 5: Solve for x
    x = 3,770,196,823,519,112/28,973,963.25
  6. Step 6: Final answer
    x = 130,123,614.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.