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Finding the Third Proportional to 78,718,933 and 170,818,548

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Solution

The third proportional to 78,718,933 and 170,818,548 is: 370,672,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718,933 : 170,818,548 = 170,818,548 : x
  2. Step 2: Convert to fraction form
    78,718,933/170,818,548 = 170,818,548/x
  3. Step 3: Cross multiply
    78,718,933x = 170,818,548 × 170,818,548
  4. Step 4: Simplify right side
    78,718,933x = 29,178,976,340,828,304
  5. Step 5: Solve for x
    x = 29,178,976,340,828,304/78,718,933
  6. Step 6: Final answer
    x = 370,672,914.75

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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.