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Finding the Third Proportional to 589,386 and 1,286,732

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Solution

The third proportional to 589,386 and 1,286,732 is: 2,809,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,386 : 1,286,732 = 1,286,732 : x
  2. Step 2: Convert to fraction form
    589,386/1,286,732 = 1,286,732/x
  3. Step 3: Cross multiply
    589,386x = 1,286,732 × 1,286,732
  4. Step 4: Simplify right side
    589,386x = 1,655,679,239,824
  5. Step 5: Solve for x
    x = 1,655,679,239,824/589,386
  6. Step 6: Final answer
    x = 2,809,159.43

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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.