Home / 72,031,768-157,724,672

Finding the Third Proportional to 72,031,768 and 157,724,672

Calculator

Solution

The third proportional to 72,031,768 and 157,724,672 is: 345,362,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,031,768 : 157,724,672 = 157,724,672 : x
  2. Step 2: Convert to fraction form
    72,031,768/157,724,672 = 157,724,672/x
  3. Step 3: Cross multiply
    72,031,768x = 157,724,672 × 157,724,672
  4. Step 4: Simplify right side
    72,031,768x = 24,877,072,157,507,584
  5. Step 5: Solve for x
    x = 24,877,072,157,507,584/72,031,768
  6. Step 6: Final answer
    x = 345,362,509.46

Related Problems

Find third proportional to 36,015,884 and 78,862,336
Half scale
Find third proportional to 144,063,536 and 315,449,344
Double scale
Find third proportional to 72,031,770 and 157,724,676
Similar ratio
Find third proportional to 108,047,652 and 236,587,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.