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Finding the Third Proportional to 161,860,833 and 356,006,709

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Solution

The third proportional to 161,860,833 and 356,006,709 is: 783,023,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860,833 : 356,006,709 = 356,006,709 : x
  2. Step 2: Convert to fraction form
    161,860,833/356,006,709 = 356,006,709/x
  3. Step 3: Cross multiply
    161,860,833x = 356,006,709 × 356,006,709
  4. Step 4: Simplify right side
    161,860,833x = 126,740,776,853,010,688
  5. Step 5: Solve for x
    x = 126,740,776,853,010,688/161,860,833
  6. Step 6: Final answer
    x = 783,023,134.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.