Home / 9,902,419-15,147,869

Finding the Third Proportional to 9,902,419 and 15,147,869

Calculator

Solution

The third proportional to 9,902,419 and 15,147,869 is: 23,171,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902,419 : 15,147,869 = 15,147,869 : x
  2. Step 2: Convert to fraction form
    9,902,419/15,147,869 = 15,147,869/x
  3. Step 3: Cross multiply
    9,902,419x = 15,147,869 × 15,147,869
  4. Step 4: Simplify right side
    9,902,419x = 229,457,935,241,161
  5. Step 5: Solve for x
    x = 229,457,935,241,161/9,902,419
  6. Step 6: Final answer
    x = 23,171,907.31

Related Problems

Find third proportional to 4,951,209.50 and 7,573,934.50
Half scale
Find third proportional to 19,804,838 and 30,295,738
Double scale
Find third proportional to 9,902,421 and 15,147,872
Similar ratio
Find third proportional to 14,853,628.50 and 22,721,803.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.