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Finding the Third Proportional to 117,948,720 and 245,314,272

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Solution

The third proportional to 117,948,720 and 245,314,272 is: 510,214,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948,720 : 245,314,272 = 245,314,272 : x
  2. Step 2: Convert to fraction form
    117,948,720/245,314,272 = 245,314,272/x
  3. Step 3: Cross multiply
    117,948,720x = 245,314,272 × 245,314,272
  4. Step 4: Simplify right side
    117,948,720x = 60,179,092,046,889,984
  5. Step 5: Solve for x
    x = 60,179,092,046,889,984/117,948,720
  6. Step 6: Final answer
    x = 510,214,032.39

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.