Home / 282,240-432,351

Finding the Third Proportional to 282,240 and 432,351

Calculator

Solution

The third proportional to 282,240 and 432,351 is: 662,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,240 : 432,351 = 432,351 : x
  2. Step 2: Convert to fraction form
    282,240/432,351 = 432,351/x
  3. Step 3: Cross multiply
    282,240x = 432,351 × 432,351
  4. Step 4: Simplify right side
    282,240x = 186,927,387,201
  5. Step 5: Solve for x
    x = 186,927,387,201/282,240
  6. Step 6: Final answer
    x = 662,299.42

Related Problems

Find third proportional to 141,120 and 216,175.50
Half scale
Find third proportional to 564,480 and 864,702
Double scale
Find third proportional to 282,242 and 432,354
Similar ratio
Find third proportional to 423,360 and 648,526.50
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.