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Finding the Third Proportional to 845,290 and 1,237,590

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Solution

The third proportional to 845,290 and 1,237,590 is: 1,811,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,290 : 1,237,590 = 1,237,590 : x
  2. Step 2: Convert to fraction form
    845,290/1,237,590 = 1,237,590/x
  3. Step 3: Cross multiply
    845,290x = 1,237,590 × 1,237,590
  4. Step 4: Simplify right side
    845,290x = 1,531,629,008,100
  5. Step 5: Solve for x
    x = 1,531,629,008,100/845,290
  6. Step 6: Final answer
    x = 1,811,956.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.