Home / 287,015-625,700

Finding the Third Proportional to 287,015 and 625,700

Calculator

Solution

The third proportional to 287,015 and 625,700 is: 1,364,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,015 : 625,700 = 625,700 : x
  2. Step 2: Convert to fraction form
    287,015/625,700 = 625,700/x
  3. Step 3: Cross multiply
    287,015x = 625,700 × 625,700
  4. Step 4: Simplify right side
    287,015x = 391,500,490,000
  5. Step 5: Solve for x
    x = 391,500,490,000/287,015
  6. Step 6: Final answer
    x = 1,364,041.91

Related Problems

Find third proportional to 143,507.50 and 312,850
Half scale
Find third proportional to 574,030 and 1,251,400
Double scale
Find third proportional to 287,017 and 625,704
Similar ratio
Find third proportional to 430,522.50 and 938,550
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.