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Finding the Third Proportional to 351,345,380 and 763,173,580

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Solution

The third proportional to 351,345,380 and 763,173,580 is: 1,657,724,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,345,380 : 763,173,580 = 763,173,580 : x
  2. Step 2: Convert to fraction form
    351,345,380/763,173,580 = 763,173,580/x
  3. Step 3: Cross multiply
    351,345,380x = 763,173,580 × 763,173,580
  4. Step 4: Simplify right side
    351,345,380x = 582,433,913,210,016,384
  5. Step 5: Solve for x
    x = 582,433,913,210,016,384/351,345,380
  6. Step 6: Final answer
    x = 1,657,724,695.88

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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.