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Finding the Third Proportional to 1,812,069 and 2,539,931

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Solution

The third proportional to 1,812,069 and 2,539,931 is: 3,560,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,069 : 2,539,931 = 2,539,931 : x
  2. Step 2: Convert to fraction form
    1,812,069/2,539,931 = 2,539,931/x
  3. Step 3: Cross multiply
    1,812,069x = 2,539,931 × 2,539,931
  4. Step 4: Simplify right side
    1,812,069x = 6,451,249,484,761
  5. Step 5: Solve for x
    x = 6,451,249,484,761/1,812,069
  6. Step 6: Final answer
    x = 3,560,156.64

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.