Home / 81,481,432.36-176,852,501.72

Finding the Third Proportional to 81,481,432.36 and 176,852,501.72

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Solution

The third proportional to 81,481,432.36 and 176,852,501.72 is: 383,851,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,481,432.36 : 176,852,501.72 = 176,852,501.72 : x
  2. Step 2: Convert to fraction form
    81,481,432.36/176,852,501.72 = 176,852,501.72/x
  3. Step 3: Cross multiply
    81,481,432.36x = 176,852,501.72 × 176,852,501.72
  4. Step 4: Simplify right side
    81,481,432.36x = 31,276,807,364,180,472
  5. Step 5: Solve for x
    x = 31,276,807,364,180,472/81,481,432.36
  6. Step 6: Final answer
    x = 383,851,958.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.