Home / 78,282,238-166,642,172

Finding the Third Proportional to 78,282,238 and 166,642,172

Calculator

Solution

The third proportional to 78,282,238 and 166,642,172 is: 354,737,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,282,238 : 166,642,172 = 166,642,172 : x
  2. Step 2: Convert to fraction form
    78,282,238/166,642,172 = 166,642,172/x
  3. Step 3: Cross multiply
    78,282,238x = 166,642,172 × 166,642,172
  4. Step 4: Simplify right side
    78,282,238x = 27,769,613,488,877,584
  5. Step 5: Solve for x
    x = 27,769,613,488,877,584/78,282,238
  6. Step 6: Final answer
    x = 354,737,092.33

Related Problems

Find third proportional to 39,141,119 and 83,321,086
Half scale
Find third proportional to 156,564,476 and 333,284,344
Double scale
Find third proportional to 78,282,240 and 166,642,176
Similar ratio
Find third proportional to 117,423,357 and 249,963,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.