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Finding the Third Proportional to 328,615,276 and 469,890,186

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Solution

The third proportional to 328,615,276 and 469,890,186 is: 671,900,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,615,276 : 469,890,186 = 469,890,186 : x
  2. Step 2: Convert to fraction form
    328,615,276/469,890,186 = 469,890,186/x
  3. Step 3: Cross multiply
    328,615,276x = 469,890,186 × 469,890,186
  4. Step 4: Simplify right side
    328,615,276x = 220,796,786,899,114,592
  5. Step 5: Solve for x
    x = 220,796,786,899,114,592/328,615,276
  6. Step 6: Final answer
    x = 671,900,556.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.