Home / 204,282-422,712

Finding the Third Proportional to 204,282 and 422,712

Calculator

Solution

The third proportional to 204,282 and 422,712 is: 874,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,282 : 422,712 = 422,712 : x
  2. Step 2: Convert to fraction form
    204,282/422,712 = 422,712/x
  3. Step 3: Cross multiply
    204,282x = 422,712 × 422,712
  4. Step 4: Simplify right side
    204,282x = 178,685,434,944
  5. Step 5: Solve for x
    x = 178,685,434,944/204,282
  6. Step 6: Final answer
    x = 874,699.85

Related Problems

Find third proportional to 102,141 and 211,356
Half scale
Find third proportional to 408,564 and 845,424
Double scale
Find third proportional to 204,284 and 422,716
Similar ratio
Find third proportional to 306,423 and 634,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.