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Finding the Third Proportional to 4,988,736 and 7,775,136

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Solution

The third proportional to 4,988,736 and 7,775,136 is: 12,117,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,736 : 7,775,136 = 7,775,136 : x
  2. Step 2: Convert to fraction form
    4,988,736/7,775,136 = 7,775,136/x
  3. Step 3: Cross multiply
    4,988,736x = 7,775,136 × 7,775,136
  4. Step 4: Simplify right side
    4,988,736x = 60,452,739,818,496
  5. Step 5: Solve for x
    x = 60,452,739,818,496/4,988,736
  6. Step 6: Final answer
    x = 12,117,847.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.