Home / 402,581-868,214

Finding the Third Proportional to 402,581 and 868,214

Calculator

Solution

The third proportional to 402,581 and 868,214 is: 1,872,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,581 : 868,214 = 868,214 : x
  2. Step 2: Convert to fraction form
    402,581/868,214 = 868,214/x
  3. Step 3: Cross multiply
    402,581x = 868,214 × 868,214
  4. Step 4: Simplify right side
    402,581x = 753,795,549,796
  5. Step 5: Solve for x
    x = 753,795,549,796/402,581
  6. Step 6: Final answer
    x = 1,872,407.17

Related Problems

Find third proportional to 201,290.50 and 434,107
Half scale
Find third proportional to 805,162 and 1,736,428
Double scale
Find third proportional to 402,583 and 868,218
Similar ratio
Find third proportional to 603,871.50 and 1,302,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.