Home / 31,409,694-67,862,547

Finding the Third Proportional to 31,409,694 and 67,862,547

Calculator

Solution

The third proportional to 31,409,694 and 67,862,547 is: 146,621,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,694 : 67,862,547 = 67,862,547 : x
  2. Step 2: Convert to fraction form
    31,409,694/67,862,547 = 67,862,547/x
  3. Step 3: Cross multiply
    31,409,694x = 67,862,547 × 67,862,547
  4. Step 4: Simplify right side
    31,409,694x = 4,605,325,285,327,209
  5. Step 5: Solve for x
    x = 4,605,325,285,327,209/31,409,694
  6. Step 6: Final answer
    x = 146,621,144.58

Related Problems

Find third proportional to 15,704,847 and 33,931,273.50
Half scale
Find third proportional to 62,819,388 and 135,725,094
Double scale
Find third proportional to 31,409,696 and 67,862,551
Similar ratio
Find third proportional to 47,114,541 and 101,793,820.50
1.5x scale

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.