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Finding the Third Proportional to 845,835 and 1,859,905

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Solution

The third proportional to 845,835 and 1,859,905 is: 4,089,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,835 : 1,859,905 = 1,859,905 : x
  2. Step 2: Convert to fraction form
    845,835/1,859,905 = 1,859,905/x
  3. Step 3: Cross multiply
    845,835x = 1,859,905 × 1,859,905
  4. Step 4: Simplify right side
    845,835x = 3,459,246,609,025
  5. Step 5: Solve for x
    x = 3,459,246,609,025/845,835
  6. Step 6: Final answer
    x = 4,089,741.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.