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Finding the Third Proportional to 1,112,487.75 and 2,382,439.50

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Solution

The third proportional to 1,112,487.75 and 2,382,439.50 is: 5,102,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,487.75 : 2,382,439.50 = 2,382,439.50 : x
  2. Step 2: Convert to fraction form
    1,112,487.75/2,382,439.50 = 2,382,439.50/x
  3. Step 3: Cross multiply
    1,112,487.75x = 2,382,439.50 × 2,382,439.50
  4. Step 4: Simplify right side
    1,112,487.75x = 5,676,017,971,160.25
  5. Step 5: Solve for x
    x = 5,676,017,971,160.25/1,112,487.75
  6. Step 6: Final answer
    x = 5,102,094.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.