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Finding the Third Proportional to 77,605,227.56 and 168,988,555.13

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Solution

The third proportional to 77,605,227.56 and 168,988,555.13 is: 367,979,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,605,227.56 : 168,988,555.13 = 168,988,555.13 : x
  2. Step 2: Convert to fraction form
    77,605,227.56/168,988,555.13 = 168,988,555.13/x
  3. Step 3: Cross multiply
    77,605,227.56x = 168,988,555.13 × 168,988,555.13
  4. Step 4: Simplify right side
    77,605,227.56x = 28,557,131,763,235,164
  5. Step 5: Solve for x
    x = 28,557,131,763,235,164/77,605,227.56
  6. Step 6: Final answer
    x = 367,979,486.18

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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.