Home / 355,626-772,308

Finding the Third Proportional to 355,626 and 772,308

Calculator

Solution

The third proportional to 355,626 and 772,308 is: 1,677,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,626 : 772,308 = 772,308 : x
  2. Step 2: Convert to fraction form
    355,626/772,308 = 772,308/x
  3. Step 3: Cross multiply
    355,626x = 772,308 × 772,308
  4. Step 4: Simplify right side
    355,626x = 596,459,646,864
  5. Step 5: Solve for x
    x = 596,459,646,864/355,626
  6. Step 6: Final answer
    x = 1,677,210.46

Related Problems

Find third proportional to 177,813 and 386,154
Half scale
Find third proportional to 711,252 and 1,544,616
Double scale
Find third proportional to 355,628 and 772,312
Similar ratio
Find third proportional to 533,439 and 1,158,462
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.