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Finding the Third Proportional to 1,373,712 and 2,101,581

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Solution

The third proportional to 1,373,712 and 2,101,581 is: 3,215,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,712 : 2,101,581 = 2,101,581 : x
  2. Step 2: Convert to fraction form
    1,373,712/2,101,581 = 2,101,581/x
  3. Step 3: Cross multiply
    1,373,712x = 2,101,581 × 2,101,581
  4. Step 4: Simplify right side
    1,373,712x = 4,416,642,699,561
  5. Step 5: Solve for x
    x = 4,416,642,699,561/1,373,712
  6. Step 6: Final answer
    x = 3,215,115.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.