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Finding the Third Proportional to 326,712 and 703,485

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Solution

The third proportional to 326,712 and 703,485 is: 1,514,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,712 : 703,485 = 703,485 : x
  2. Step 2: Convert to fraction form
    326,712/703,485 = 703,485/x
  3. Step 3: Cross multiply
    326,712x = 703,485 × 703,485
  4. Step 4: Simplify right side
    326,712x = 494,891,145,225
  5. Step 5: Solve for x
    x = 494,891,145,225/326,712
  6. Step 6: Final answer
    x = 1,514,762.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.