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Finding the Third Proportional to 117,927,320 and 255,171,088

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Solution

The third proportional to 117,927,320 and 255,171,088 is: 552,139,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927,320 : 255,171,088 = 255,171,088 : x
  2. Step 2: Convert to fraction form
    117,927,320/255,171,088 = 255,171,088/x
  3. Step 3: Cross multiply
    117,927,320x = 255,171,088 × 255,171,088
  4. Step 4: Simplify right side
    117,927,320x = 65,112,284,151,103,744
  5. Step 5: Solve for x
    x = 65,112,284,151,103,744/117,927,320
  6. Step 6: Final answer
    x = 552,139,098.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.