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Finding the Third Proportional to 1,889,871.75 and 2,918,369.25

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Solution

The third proportional to 1,889,871.75 and 2,918,369.25 is: 4,506,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,871.75 : 2,918,369.25 = 2,918,369.25 : x
  2. Step 2: Convert to fraction form
    1,889,871.75/2,918,369.25 = 2,918,369.25/x
  3. Step 3: Cross multiply
    1,889,871.75x = 2,918,369.25 × 2,918,369.25
  4. Step 4: Simplify right side
    1,889,871.75x = 8,516,879,079,345.56
  5. Step 5: Solve for x
    x = 8,516,879,079,345.56/1,889,871.75
  6. Step 6: Final answer
    x = 4,506,591.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.