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Finding the Third Proportional to 1,889,820 and 2,918,277

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Solution

The third proportional to 1,889,820 and 2,918,277 is: 4,506,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,820 : 2,918,277 = 2,918,277 : x
  2. Step 2: Convert to fraction form
    1,889,820/2,918,277 = 2,918,277/x
  3. Step 3: Cross multiply
    1,889,820x = 2,918,277 × 2,918,277
  4. Step 4: Simplify right side
    1,889,820x = 8,516,340,648,729
  5. Step 5: Solve for x
    x = 8,516,340,648,729/1,889,820
  6. Step 6: Final answer
    x = 4,506,429.53

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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.