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Finding the Third Proportional to 673,521 and 1,440,435

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Solution

The third proportional to 673,521 and 1,440,435 is: 3,080,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,521 : 1,440,435 = 1,440,435 : x
  2. Step 2: Convert to fraction form
    673,521/1,440,435 = 1,440,435/x
  3. Step 3: Cross multiply
    673,521x = 1,440,435 × 1,440,435
  4. Step 4: Simplify right side
    673,521x = 2,074,852,989,225
  5. Step 5: Solve for x
    x = 2,074,852,989,225/673,521
  6. Step 6: Final answer
    x = 3,080,606.23

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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.