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Finding the Third Proportional to 55,589,979 and 86,179,947

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Solution

The third proportional to 55,589,979 and 86,179,947 is: 133,602,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589,979 : 86,179,947 = 86,179,947 : x
  2. Step 2: Convert to fraction form
    55,589,979/86,179,947 = 86,179,947/x
  3. Step 3: Cross multiply
    55,589,979x = 86,179,947 × 86,179,947
  4. Step 4: Simplify right side
    55,589,979x = 7,426,983,264,922,809
  5. Step 5: Solve for x
    x = 7,426,983,264,922,809/55,589,979
  6. Step 6: Final answer
    x = 133,602,915.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.