Home / 186,488-289,293

Finding the Third Proportional to 186,488 and 289,293

Calculator

Solution

The third proportional to 186,488 and 289,293 is: 448,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,488 : 289,293 = 289,293 : x
  2. Step 2: Convert to fraction form
    186,488/289,293 = 289,293/x
  3. Step 3: Cross multiply
    186,488x = 289,293 × 289,293
  4. Step 4: Simplify right side
    186,488x = 83,690,439,849
  5. Step 5: Solve for x
    x = 83,690,439,849/186,488
  6. Step 6: Final answer
    x = 448,771.18

Related Problems

Find third proportional to 93,244 and 144,646.50
Half scale
Find third proportional to 372,976 and 578,586
Double scale
Find third proportional to 186,490 and 289,296
Similar ratio
Find third proportional to 279,732 and 433,939.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.