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Finding the Third Proportional to 318,234,688 and 475,392,251

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Solution

The third proportional to 318,234,688 and 475,392,251 is: 710,160,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,234,688 : 475,392,251 = 475,392,251 : x
  2. Step 2: Convert to fraction form
    318,234,688/475,392,251 = 475,392,251/x
  3. Step 3: Cross multiply
    318,234,688x = 475,392,251 × 475,392,251
  4. Step 4: Simplify right side
    318,234,688x = 225,997,792,310,847,008
  5. Step 5: Solve for x
    x = 225,997,792,310,847,008/318,234,688
  6. Step 6: Final answer
    x = 710,160,773.90

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.