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Finding the Third Proportional to 1,439,915 and 3,093,515.50

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Solution

The third proportional to 1,439,915 and 3,093,515.50 is: 6,646,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,915 : 3,093,515.50 = 3,093,515.50 : x
  2. Step 2: Convert to fraction form
    1,439,915/3,093,515.50 = 3,093,515.50/x
  3. Step 3: Cross multiply
    1,439,915x = 3,093,515.50 × 3,093,515.50
  4. Step 4: Simplify right side
    1,439,915x = 9,569,838,148,740.25
  5. Step 5: Solve for x
    x = 9,569,838,148,740.25/1,439,915
  6. Step 6: Final answer
    x = 6,646,113.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.