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Finding the Third Proportional to 3,421,259 and 4,783,129

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Solution

The third proportional to 3,421,259 and 4,783,129 is: 6,687,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,259 : 4,783,129 = 4,783,129 : x
  2. Step 2: Convert to fraction form
    3,421,259/4,783,129 = 4,783,129/x
  3. Step 3: Cross multiply
    3,421,259x = 4,783,129 × 4,783,129
  4. Step 4: Simplify right side
    3,421,259x = 22,878,323,030,641
  5. Step 5: Solve for x
    x = 22,878,323,030,641/3,421,259
  6. Step 6: Final answer
    x = 6,687,106.42

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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.