Home / 143,690,985.75-314,585,087.25

Finding the Third Proportional to 143,690,985.75 and 314,585,087.25

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Solution

The third proportional to 143,690,985.75 and 314,585,087.25 is: 688,726,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,985.75 : 314,585,087.25 = 314,585,087.25 : x
  2. Step 2: Convert to fraction form
    143,690,985.75/314,585,087.25 = 314,585,087.25/x
  3. Step 3: Cross multiply
    143,690,985.75x = 314,585,087.25 × 314,585,087.25
  4. Step 4: Simplify right side
    143,690,985.75x = 98,963,777,120,090,112
  5. Step 5: Solve for x
    x = 98,963,777,120,090,112/143,690,985.75
  6. Step 6: Final answer
    x = 688,726,412.47

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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.