Home / 669,270-1,005,387

Finding the Third Proportional to 669,270 and 1,005,387

Calculator

Solution

The third proportional to 669,270 and 1,005,387 is: 1,510,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,270 : 1,005,387 = 1,005,387 : x
  2. Step 2: Convert to fraction form
    669,270/1,005,387 = 1,005,387/x
  3. Step 3: Cross multiply
    669,270x = 1,005,387 × 1,005,387
  4. Step 4: Simplify right side
    669,270x = 1,010,803,019,769
  5. Step 5: Solve for x
    x = 1,010,803,019,769/669,270
  6. Step 6: Final answer
    x = 1,510,306.78

Related Problems

Find third proportional to 334,635 and 502,693.50
Half scale
Find third proportional to 1,338,540 and 2,010,774
Double scale
Find third proportional to 669,272 and 1,005,390
Similar ratio
Find third proportional to 1,003,905 and 1,508,080.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.