Home / 278,520-571,788

Finding the Third Proportional to 278,520 and 571,788

Calculator

Solution

The third proportional to 278,520 and 571,788 is: 1,173,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,520 : 571,788 = 571,788 : x
  2. Step 2: Convert to fraction form
    278,520/571,788 = 571,788/x
  3. Step 3: Cross multiply
    278,520x = 571,788 × 571,788
  4. Step 4: Simplify right side
    278,520x = 326,941,516,944
  5. Step 5: Solve for x
    x = 326,941,516,944/278,520
  6. Step 6: Final answer
    x = 1,173,852.93

Related Problems

Find third proportional to 139,260 and 285,894
Half scale
Find third proportional to 557,040 and 1,143,576
Double scale
Find third proportional to 278,522 and 571,792
Similar ratio
Find third proportional to 417,780 and 857,682
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.