Home / 554,780-708,908

Finding the Third Proportional to 554,780 and 708,908

Calculator

Solution

The third proportional to 554,780 and 708,908 is: 905,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,780 : 708,908 = 708,908 : x
  2. Step 2: Convert to fraction form
    554,780/708,908 = 708,908/x
  3. Step 3: Cross multiply
    554,780x = 708,908 × 708,908
  4. Step 4: Simplify right side
    554,780x = 502,550,552,464
  5. Step 5: Solve for x
    x = 502,550,552,464/554,780
  6. Step 6: Final answer
    x = 905,855.57

Related Problems

Find third proportional to 277,390 and 354,454
Half scale
Find third proportional to 1,109,560 and 1,417,816
Double scale
Find third proportional to 554,782 and 708,911
Similar ratio
Find third proportional to 832,170 and 1,063,362
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.