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Finding the Third Proportional to 1,177,995.66 and 1,890,000.84

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Solution

The third proportional to 1,177,995.66 and 1,890,000.84 is: 3,032,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,995.66 : 1,890,000.84 = 1,890,000.84 : x
  2. Step 2: Convert to fraction form
    1,177,995.66/1,890,000.84 = 1,890,000.84/x
  3. Step 3: Cross multiply
    1,177,995.66x = 1,890,000.84 × 1,890,000.84
  4. Step 4: Simplify right side
    1,177,995.66x = 3,572,103,189,375.71
  5. Step 5: Solve for x
    x = 3,572,103,189,375.71/1,177,995.66
  6. Step 6: Final answer
    x = 3,032,356.84

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.