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Finding the Third Proportional to 859,015 and 1,865,654

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Solution

The third proportional to 859,015 and 1,865,654 is: 4,051,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,015 : 1,865,654 = 1,865,654 : x
  2. Step 2: Convert to fraction form
    859,015/1,865,654 = 1,865,654/x
  3. Step 3: Cross multiply
    859,015x = 1,865,654 × 1,865,654
  4. Step 4: Simplify right side
    859,015x = 3,480,664,847,716
  5. Step 5: Solve for x
    x = 3,480,664,847,716/859,015
  6. Step 6: Final answer
    x = 4,051,925.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.