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Finding the Third Proportional to 1,870,176.94 and 4,038,743.53

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Solution

The third proportional to 1,870,176.94 and 4,038,743.53 is: 8,721,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,176.94 : 4,038,743.53 = 4,038,743.53 : x
  2. Step 2: Convert to fraction form
    1,870,176.94/4,038,743.53 = 4,038,743.53/x
  3. Step 3: Cross multiply
    1,870,176.94x = 4,038,743.53 × 4,038,743.53
  4. Step 4: Simplify right side
    1,870,176.94x = 16,311,449,311,213.72
  5. Step 5: Solve for x
    x = 16,311,449,311,213.72/1,870,176.94
  6. Step 6: Final answer
    x = 8,721,874.91

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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.