Home / 499,580-761,808

Finding the Third Proportional to 499,580 and 761,808

Calculator

Solution

The third proportional to 499,580 and 761,808 is: 1,161,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,580 : 761,808 = 761,808 : x
  2. Step 2: Convert to fraction form
    499,580/761,808 = 761,808/x
  3. Step 3: Cross multiply
    499,580x = 761,808 × 761,808
  4. Step 4: Simplify right side
    499,580x = 580,351,428,864
  5. Step 5: Solve for x
    x = 580,351,428,864/499,580
  6. Step 6: Final answer
    x = 1,161,678.67

Related Problems

Find third proportional to 249,790 and 380,904
Half scale
Find third proportional to 999,160 and 1,523,616
Double scale
Find third proportional to 499,582 and 761,811
Similar ratio
Find third proportional to 749,370 and 1,142,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.