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Finding the Third Proportional to 673,520 and 1,440,432

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Solution

The third proportional to 673,520 and 1,440,432 is: 3,080,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,520 : 1,440,432 = 1,440,432 : x
  2. Step 2: Convert to fraction form
    673,520/1,440,432 = 1,440,432/x
  3. Step 3: Cross multiply
    673,520x = 1,440,432 × 1,440,432
  4. Step 4: Simplify right side
    673,520x = 2,074,844,346,624
  5. Step 5: Solve for x
    x = 2,074,844,346,624/673,520
  6. Step 6: Final answer
    x = 3,080,597.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.