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Finding the Third Proportional to 679,596 and 1,587,209

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Solution

The third proportional to 679,596 and 1,587,209 is: 3,706,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,596 : 1,587,209 = 1,587,209 : x
  2. Step 2: Convert to fraction form
    679,596/1,587,209 = 1,587,209/x
  3. Step 3: Cross multiply
    679,596x = 1,587,209 × 1,587,209
  4. Step 4: Simplify right side
    679,596x = 2,519,232,409,681
  5. Step 5: Solve for x
    x = 2,519,232,409,681/679,596
  6. Step 6: Final answer
    x = 3,706,955.91

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.