Home / 286,702-455,476

Finding the Third Proportional to 286,702 and 455,476

Calculator

Solution

The third proportional to 286,702 and 455,476 is: 723,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,702 : 455,476 = 455,476 : x
  2. Step 2: Convert to fraction form
    286,702/455,476 = 455,476/x
  3. Step 3: Cross multiply
    286,702x = 455,476 × 455,476
  4. Step 4: Simplify right side
    286,702x = 207,458,386,576
  5. Step 5: Solve for x
    x = 207,458,386,576/286,702
  6. Step 6: Final answer
    x = 723,602.86

Related Problems

Find third proportional to 143,351 and 227,738
Half scale
Find third proportional to 573,404 and 910,952
Double scale
Find third proportional to 286,704 and 455,479
Similar ratio
Find third proportional to 430,053 and 683,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.