Home / 81,201,615.75-191,627,570.25

Finding the Third Proportional to 81,201,615.75 and 191,627,570.25

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Solution

The third proportional to 81,201,615.75 and 191,627,570.25 is: 452,221,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201,615.75 : 191,627,570.25 = 191,627,570.25 : x
  2. Step 2: Convert to fraction form
    81,201,615.75/191,627,570.25 = 191,627,570.25/x
  3. Step 3: Cross multiply
    81,201,615.75x = 191,627,570.25 × 191,627,570.25
  4. Step 4: Simplify right side
    81,201,615.75x = 36,721,125,679,918,688
  5. Step 5: Solve for x
    x = 36,721,125,679,918,688/81,201,615.75
  6. Step 6: Final answer
    x = 452,221,613.34

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.