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Finding the Third Proportional to 12,020,047.50 and 28,345,957.50

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Solution

The third proportional to 12,020,047.50 and 28,345,957.50 is: 66,846,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,047.50 : 28,345,957.50 = 28,345,957.50 : x
  2. Step 2: Convert to fraction form
    12,020,047.50/28,345,957.50 = 28,345,957.50/x
  3. Step 3: Cross multiply
    12,020,047.50x = 28,345,957.50 × 28,345,957.50
  4. Step 4: Simplify right side
    12,020,047.50x = 803,493,306,591,806.25
  5. Step 5: Solve for x
    x = 803,493,306,591,806.25/12,020,047.50
  6. Step 6: Final answer
    x = 66,846,100.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.