Home / 136,438,976-209,928,216

Finding the Third Proportional to 136,438,976 and 209,928,216

Calculator

Solution

The third proportional to 136,438,976 and 209,928,216 is: 323,000,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438,976 : 209,928,216 = 209,928,216 : x
  2. Step 2: Convert to fraction form
    136,438,976/209,928,216 = 209,928,216/x
  3. Step 3: Cross multiply
    136,438,976x = 209,928,216 × 209,928,216
  4. Step 4: Simplify right side
    136,438,976x = 44,069,855,872,942,656
  5. Step 5: Solve for x
    x = 44,069,855,872,942,656/136,438,976
  6. Step 6: Final answer
    x = 323,000,488.31

Related Problems

Find third proportional to 68,219,488 and 104,964,108
Half scale
Find third proportional to 272,877,952 and 419,856,432
Double scale
Find third proportional to 136,438,978 and 209,928,219
Similar ratio
Find third proportional to 204,658,464 and 314,892,324
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.