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Finding the Third Proportional to 117,115,130 and 254,391,200

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Solution

The third proportional to 117,115,130 and 254,391,200 is: 552,574,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115,130 : 254,391,200 = 254,391,200 : x
  2. Step 2: Convert to fraction form
    117,115,130/254,391,200 = 254,391,200/x
  3. Step 3: Cross multiply
    117,115,130x = 254,391,200 × 254,391,200
  4. Step 4: Simplify right side
    117,115,130x = 64,714,882,637,440,000
  5. Step 5: Solve for x
    x = 64,714,882,637,440,000/117,115,130
  6. Step 6: Final answer
    x = 552,574,911.86

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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.