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Finding the Third Proportional to 75,366,980 and 163,254,628

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Solution

The third proportional to 75,366,980 and 163,254,628 is: 353,630,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,366,980 : 163,254,628 = 163,254,628 : x
  2. Step 2: Convert to fraction form
    75,366,980/163,254,628 = 163,254,628/x
  3. Step 3: Cross multiply
    75,366,980x = 163,254,628 × 163,254,628
  4. Step 4: Simplify right side
    75,366,980x = 26,652,073,563,418,384
  5. Step 5: Solve for x
    x = 26,652,073,563,418,384/75,366,980
  6. Step 6: Final answer
    x = 353,630,642.54

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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.