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Finding the Third Proportional to 792,990 and 1,130,436

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Solution

The third proportional to 792,990 and 1,130,436 is: 1,611,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,990 : 1,130,436 = 1,130,436 : x
  2. Step 2: Convert to fraction form
    792,990/1,130,436 = 1,130,436/x
  3. Step 3: Cross multiply
    792,990x = 1,130,436 × 1,130,436
  4. Step 4: Simplify right side
    792,990x = 1,277,885,550,096
  5. Step 5: Solve for x
    x = 1,277,885,550,096/792,990
  6. Step 6: Final answer
    x = 1,611,477.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.