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Finding the Third Proportional to 117,347,328 and 254,889,090

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Solution

The third proportional to 117,347,328 and 254,889,090 is: 553,642,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,347,328 : 254,889,090 = 254,889,090 : x
  2. Step 2: Convert to fraction form
    117,347,328/254,889,090 = 254,889,090/x
  3. Step 3: Cross multiply
    117,347,328x = 254,889,090 × 254,889,090
  4. Step 4: Simplify right side
    117,347,328x = 64,968,448,201,028,096
  5. Step 5: Solve for x
    x = 64,968,448,201,028,096/117,347,328
  6. Step 6: Final answer
    x = 553,642,330.92

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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.