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Finding the Third Proportional to 589,340 and 1,286,628

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Solution

The third proportional to 589,340 and 1,286,628 is: 2,808,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,340 : 1,286,628 = 1,286,628 : x
  2. Step 2: Convert to fraction form
    589,340/1,286,628 = 1,286,628/x
  3. Step 3: Cross multiply
    589,340x = 1,286,628 × 1,286,628
  4. Step 4: Simplify right side
    589,340x = 1,655,411,610,384
  5. Step 5: Solve for x
    x = 1,655,411,610,384/589,340
  6. Step 6: Final answer
    x = 2,808,924.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.