Home / 4,991,100-10,218,702

Finding the Third Proportional to 4,991,100 and 10,218,702

Calculator

Solution

The third proportional to 4,991,100 and 10,218,702 is: 20,921,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,100 : 10,218,702 = 10,218,702 : x
  2. Step 2: Convert to fraction form
    4,991,100/10,218,702 = 10,218,702/x
  3. Step 3: Cross multiply
    4,991,100x = 10,218,702 × 10,218,702
  4. Step 4: Simplify right side
    4,991,100x = 104,421,870,564,804
  5. Step 5: Solve for x
    x = 104,421,870,564,804/4,991,100
  6. Step 6: Final answer
    x = 20,921,614.59

Related Problems

Find third proportional to 2,495,550 and 5,109,351
Half scale
Find third proportional to 9,982,200 and 20,437,404
Double scale
Find third proportional to 4,991,102 and 10,218,706
Similar ratio
Find third proportional to 7,486,650 and 15,328,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.