Home / 458,420-708,366

Finding the Third Proportional to 458,420 and 708,366

Calculator

Solution

The third proportional to 458,420 and 708,366 is: 1,094,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,420 : 708,366 = 708,366 : x
  2. Step 2: Convert to fraction form
    458,420/708,366 = 708,366/x
  3. Step 3: Cross multiply
    458,420x = 708,366 × 708,366
  4. Step 4: Simplify right side
    458,420x = 501,782,389,956
  5. Step 5: Solve for x
    x = 501,782,389,956/458,420
  6. Step 6: Final answer
    x = 1,094,590.96

Related Problems

Find third proportional to 229,210 and 354,183
Half scale
Find third proportional to 916,840 and 1,416,732
Double scale
Find third proportional to 458,422 and 708,369
Similar ratio
Find third proportional to 687,630 and 1,062,549
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.