Home / 12,429,259-29,299,220

Finding the Third Proportional to 12,429,259 and 29,299,220

Calculator

Solution

The third proportional to 12,429,259 and 29,299,220 is: 69,066,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,259 : 29,299,220 = 29,299,220 : x
  2. Step 2: Convert to fraction form
    12,429,259/29,299,220 = 29,299,220/x
  3. Step 3: Cross multiply
    12,429,259x = 29,299,220 × 29,299,220
  4. Step 4: Simplify right side
    12,429,259x = 858,444,292,608,400
  5. Step 5: Solve for x
    x = 858,444,292,608,400/12,429,259
  6. Step 6: Final answer
    x = 69,066,409.56

Related Problems

Find third proportional to 6,214,629.50 and 14,649,610
Half scale
Find third proportional to 24,858,518 and 58,598,440
Double scale
Find third proportional to 12,429,261 and 29,299,225
Similar ratio
Find third proportional to 18,643,888.50 and 43,948,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.