Home / 64,168,902-138,565,368

Finding the Third Proportional to 64,168,902 and 138,565,368

Calculator

Solution

The third proportional to 64,168,902 and 138,565,368 is: 299,215,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168,902 : 138,565,368 = 138,565,368 : x
  2. Step 2: Convert to fraction form
    64,168,902/138,565,368 = 138,565,368/x
  3. Step 3: Cross multiply
    64,168,902x = 138,565,368 × 138,565,368
  4. Step 4: Simplify right side
    64,168,902x = 19,200,361,208,975,424
  5. Step 5: Solve for x
    x = 19,200,361,208,975,424/64,168,902
  6. Step 6: Final answer
    x = 299,215,984.85

Related Problems

Find third proportional to 32,084,451 and 69,282,684
Half scale
Find third proportional to 128,337,804 and 277,130,736
Double scale
Find third proportional to 64,168,904 and 138,565,372
Similar ratio
Find third proportional to 96,253,353 and 207,848,052
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.