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Finding the Third Proportional to 669,392.86 and 1,447,554.80

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Solution

The third proportional to 669,392.86 and 1,447,554.80 is: 3,130,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,392.86 : 1,447,554.80 = 1,447,554.80 : x
  2. Step 2: Convert to fraction form
    669,392.86/1,447,554.80 = 1,447,554.80/x
  3. Step 3: Cross multiply
    669,392.86x = 1,447,554.80 × 1,447,554.80
  4. Step 4: Simplify right side
    669,392.86x = 2,095,414,889,955.82
  5. Step 5: Solve for x
    x = 2,095,414,889,955.82/669,392.86
  6. Step 6: Final answer
    x = 3,130,321.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.