Home / 319,420.50-698,457

Finding the Third Proportional to 319,420.50 and 698,457

Calculator

Solution

The third proportional to 319,420.50 and 698,457 is: 1,527,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,420.50 : 698,457 = 698,457 : x
  2. Step 2: Convert to fraction form
    319,420.50/698,457 = 698,457/x
  3. Step 3: Cross multiply
    319,420.50x = 698,457 × 698,457
  4. Step 4: Simplify right side
    319,420.50x = 487,842,180,849
  5. Step 5: Solve for x
    x = 487,842,180,849/319,420.50
  6. Step 6: Final answer
    x = 1,527,272.61

Related Problems

Find third proportional to 159,710.25 and 349,228.50
Half scale
Find third proportional to 638,841 and 1,396,914
Double scale
Find third proportional to 319,423 and 698,461
Similar ratio
Find third proportional to 479,130.75 and 1,047,685.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.