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Finding the Third Proportional to 28,669,605.75 and 61,903,480.50

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Solution

The third proportional to 28,669,605.75 and 61,903,480.50 is: 133,662,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669,605.75 : 61,903,480.50 = 61,903,480.50 : x
  2. Step 2: Convert to fraction form
    28,669,605.75/61,903,480.50 = 61,903,480.50/x
  3. Step 3: Cross multiply
    28,669,605.75x = 61,903,480.50 × 61,903,480.50
  4. Step 4: Simplify right side
    28,669,605.75x = 3,832,040,898,013,880
  5. Step 5: Solve for x
    x = 3,832,040,898,013,880/28,669,605.75
  6. Step 6: Final answer
    x = 133,662,141.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.