Home / 127,570-279,332

Finding the Third Proportional to 127,570 and 279,332

Calculator

Solution

The third proportional to 127,570 and 279,332 is: 611,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,570 : 279,332 = 279,332 : x
  2. Step 2: Convert to fraction form
    127,570/279,332 = 279,332/x
  3. Step 3: Cross multiply
    127,570x = 279,332 × 279,332
  4. Step 4: Simplify right side
    127,570x = 78,026,366,224
  5. Step 5: Solve for x
    x = 78,026,366,224/127,570
  6. Step 6: Final answer
    x = 611,635.70

Related Problems

Find third proportional to 63,785 and 139,666
Half scale
Find third proportional to 255,140 and 558,664
Double scale
Find third proportional to 127,572 and 279,336
Similar ratio
Find third proportional to 191,355 and 418,998
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.