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Finding the Third Proportional to 1,859,403 and 4,031,790

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Solution

The third proportional to 1,859,403 and 4,031,790 is: 8,742,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,403 : 4,031,790 = 4,031,790 : x
  2. Step 2: Convert to fraction form
    1,859,403/4,031,790 = 4,031,790/x
  3. Step 3: Cross multiply
    1,859,403x = 4,031,790 × 4,031,790
  4. Step 4: Simplify right side
    1,859,403x = 16,255,330,604,100
  5. Step 5: Solve for x
    x = 16,255,330,604,100/1,859,403
  6. Step 6: Final answer
    x = 8,742,231.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.