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Finding the Third Proportional to 30,499,848 and 67,140,792

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Solution

The third proportional to 30,499,848 and 67,140,792 is: 147,800,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499,848 : 67,140,792 = 67,140,792 : x
  2. Step 2: Convert to fraction form
    30,499,848/67,140,792 = 67,140,792/x
  3. Step 3: Cross multiply
    30,499,848x = 67,140,792 × 67,140,792
  4. Step 4: Simplify right side
    30,499,848x = 4,507,885,950,387,264
  5. Step 5: Solve for x
    x = 4,507,885,950,387,264/30,499,848
  6. Step 6: Final answer
    x = 147,800,275.94

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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.