Home / 142,964-305,560

Finding the Third Proportional to 142,964 and 305,560

Calculator

Solution

The third proportional to 142,964 and 305,560 is: 653,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,964 : 305,560 = 305,560 : x
  2. Step 2: Convert to fraction form
    142,964/305,560 = 305,560/x
  3. Step 3: Cross multiply
    142,964x = 305,560 × 305,560
  4. Step 4: Simplify right side
    142,964x = 93,366,913,600
  5. Step 5: Solve for x
    x = 93,366,913,600/142,964
  6. Step 6: Final answer
    x = 653,079.89

Related Problems

Find third proportional to 71,482 and 152,780
Half scale
Find third proportional to 285,928 and 611,120
Double scale
Find third proportional to 142,966 and 305,564
Similar ratio
Find third proportional to 214,446 and 458,340
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.