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Finding the Third Proportional to 81,201,617 and 191,627,572

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Solution

The third proportional to 81,201,617 and 191,627,572 is: 452,221,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201,617 : 191,627,572 = 191,627,572 : x
  2. Step 2: Convert to fraction form
    81,201,617/191,627,572 = 191,627,572/x
  3. Step 3: Cross multiply
    81,201,617x = 191,627,572 × 191,627,572
  4. Step 4: Simplify right side
    81,201,617x = 36,721,126,350,615,184
  5. Step 5: Solve for x
    x = 36,721,126,350,615,184/81,201,617
  6. Step 6: Final answer
    x = 452,221,614.63

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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.