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Finding the Third Proportional to 776,412 and 1,646,136

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Solution

The third proportional to 776,412 and 1,646,136 is: 3,490,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,412 : 1,646,136 = 1,646,136 : x
  2. Step 2: Convert to fraction form
    776,412/1,646,136 = 1,646,136/x
  3. Step 3: Cross multiply
    776,412x = 1,646,136 × 1,646,136
  4. Step 4: Simplify right side
    776,412x = 2,709,763,730,496
  5. Step 5: Solve for x
    x = 2,709,763,730,496/776,412
  6. Step 6: Final answer
    x = 3,490,110.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.