Home / 77,483,378.25-168,586,422.75

Finding the Third Proportional to 77,483,378.25 and 168,586,422.75

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Solution

The third proportional to 77,483,378.25 and 168,586,422.75 is: 366,806,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,483,378.25 : 168,586,422.75 = 168,586,422.75 : x
  2. Step 2: Convert to fraction form
    77,483,378.25/168,586,422.75 = 168,586,422.75/x
  3. Step 3: Cross multiply
    77,483,378.25x = 168,586,422.75 × 168,586,422.75
  4. Step 4: Simplify right side
    77,483,378.25x = 28,421,381,935,641,716
  5. Step 5: Solve for x
    x = 28,421,381,935,641,716/77,483,378.25
  6. Step 6: Final answer
    x = 366,806,179.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.