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Finding the Third Proportional to 1,355,443 and 2,920,829

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Solution

The third proportional to 1,355,443 and 2,920,829 is: 6,294,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,443 : 2,920,829 = 2,920,829 : x
  2. Step 2: Convert to fraction form
    1,355,443/2,920,829 = 2,920,829/x
  3. Step 3: Cross multiply
    1,355,443x = 2,920,829 × 2,920,829
  4. Step 4: Simplify right side
    1,355,443x = 8,531,242,047,241
  5. Step 5: Solve for x
    x = 8,531,242,047,241/1,355,443
  6. Step 6: Final answer
    x = 6,294,061.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.