Home / 91,701,456.75-138,735,352.13

Finding the Third Proportional to 91,701,456.75 and 138,735,352.13

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Solution

The third proportional to 91,701,456.75 and 138,735,352.13 is: 209,893,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701,456.75 : 138,735,352.13 = 138,735,352.13 : x
  2. Step 2: Convert to fraction form
    91,701,456.75/138,735,352.13 = 138,735,352.13/x
  3. Step 3: Cross multiply
    91,701,456.75x = 138,735,352.13 × 138,735,352.13
  4. Step 4: Simplify right side
    91,701,456.75x = 19,247,497,929,247,744
  5. Step 5: Solve for x
    x = 19,247,497,929,247,744/91,701,456.75
  6. Step 6: Final answer
    x = 209,893,044.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.