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Finding the Third Proportional to 8,606,047.50 and 18,726,187.50

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Solution

The third proportional to 8,606,047.50 and 18,726,187.50 is: 40,746,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,047.50 : 18,726,187.50 = 18,726,187.50 : x
  2. Step 2: Convert to fraction form
    8,606,047.50/18,726,187.50 = 18,726,187.50/x
  3. Step 3: Cross multiply
    8,606,047.50x = 18,726,187.50 × 18,726,187.50
  4. Step 4: Simplify right side
    8,606,047.50x = 350,670,098,285,156.25
  5. Step 5: Solve for x
    x = 350,670,098,285,156.25/8,606,047.50
  6. Step 6: Final answer
    x = 40,746,939.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.