Home / 306,140-671,352

Finding the Third Proportional to 306,140 and 671,352

Calculator

Solution

The third proportional to 306,140 and 671,352 is: 1,472,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,140 : 671,352 = 671,352 : x
  2. Step 2: Convert to fraction form
    306,140/671,352 = 671,352/x
  3. Step 3: Cross multiply
    306,140x = 671,352 × 671,352
  4. Step 4: Simplify right side
    306,140x = 450,713,507,904
  5. Step 5: Solve for x
    x = 450,713,507,904/306,140
  6. Step 6: Final answer
    x = 1,472,246.38

Related Problems

Find third proportional to 153,070 and 335,676
Half scale
Find third proportional to 612,280 and 1,342,704
Double scale
Find third proportional to 306,142 and 671,356
Similar ratio
Find third proportional to 459,210 and 1,007,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.