Home / 211,478,172-323,295,640

Finding the Third Proportional to 211,478,172 and 323,295,640

Calculator

Solution

The third proportional to 211,478,172 and 323,295,640 is: 494,235,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,478,172 : 323,295,640 = 323,295,640 : x
  2. Step 2: Convert to fraction form
    211,478,172/323,295,640 = 323,295,640/x
  3. Step 3: Cross multiply
    211,478,172x = 323,295,640 × 323,295,640
  4. Step 4: Simplify right side
    211,478,172x = 104,520,070,843,009,600
  5. Step 5: Solve for x
    x = 104,520,070,843,009,600/211,478,172
  6. Step 6: Final answer
    x = 494,235,740.05

Related Problems

Find third proportional to 105,739,086 and 161,647,820
Half scale
Find third proportional to 422,956,344 and 646,591,280
Double scale
Find third proportional to 211,478,174 and 323,295,643
Similar ratio
Find third proportional to 317,217,258 and 484,943,460
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.