Home / 470.88-728.50

Finding the Third Proportional to 470.88 and 728.50

Calculator

Solution

The third proportional to 470.88 and 728.50 is: 1,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.88 : 728.50 = 728.50 : x
  2. Step 2: Convert to fraction form
    470.88/728.50 = 728.50/x
  3. Step 3: Cross multiply
    470.88x = 728.50 × 728.50
  4. Step 4: Simplify right side
    470.88x = 530,712.25
  5. Step 5: Solve for x
    x = 530,712.25/470.88
  6. Step 6: Final answer
    x = 1,127.08

Related Problems

Find third proportional to 235.44 and 364.25
Half scale
Find third proportional to 941.75 and 1,457
Double scale
Find third proportional to 473 and 732
Similar ratio
Find third proportional to 706.31 and 1,092.75
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.