Home / 145,116,984-315,742,152

Finding the Third Proportional to 145,116,984 and 315,742,152

Calculator

Solution

The third proportional to 145,116,984 and 315,742,152 is: 686,984,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116,984 : 315,742,152 = 315,742,152 : x
  2. Step 2: Convert to fraction form
    145,116,984/315,742,152 = 315,742,152/x
  3. Step 3: Cross multiply
    145,116,984x = 315,742,152 × 315,742,152
  4. Step 4: Simplify right side
    145,116,984x = 99,693,106,549,591,104
  5. Step 5: Solve for x
    x = 99,693,106,549,591,104/145,116,984
  6. Step 6: Final answer
    x = 686,984,416.31

Related Problems

Find third proportional to 72,558,492 and 157,871,076
Half scale
Find third proportional to 290,233,968 and 631,484,304
Double scale
Find third proportional to 145,116,986 and 315,742,156
Similar ratio
Find third proportional to 217,675,476 and 473,613,228
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.