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Finding the Third Proportional to 53,242,684 and 81,787,303

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Solution

The third proportional to 53,242,684 and 81,787,303 is: 125,635,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,684 : 81,787,303 = 81,787,303 : x
  2. Step 2: Convert to fraction form
    53,242,684/81,787,303 = 81,787,303/x
  3. Step 3: Cross multiply
    53,242,684x = 81,787,303 × 81,787,303
  4. Step 4: Simplify right side
    53,242,684x = 6,689,162,932,013,809
  5. Step 5: Solve for x
    x = 6,689,162,932,013,809/53,242,684
  6. Step 6: Final answer
    x = 125,635,344.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.