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Finding the Third Proportional to 586,899 and 1,286,307

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Solution

The third proportional to 586,899 and 1,286,307 is: 2,819,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,899 : 1,286,307 = 1,286,307 : x
  2. Step 2: Convert to fraction form
    586,899/1,286,307 = 1,286,307/x
  3. Step 3: Cross multiply
    586,899x = 1,286,307 × 1,286,307
  4. Step 4: Simplify right side
    586,899x = 1,654,585,698,249
  5. Step 5: Solve for x
    x = 1,654,585,698,249/586,899
  6. Step 6: Final answer
    x = 2,819,200.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.