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Finding the Third Proportional to 30,226,261 and 45,291,857

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Solution

The third proportional to 30,226,261 and 45,291,857 is: 67,866,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226,261 : 45,291,857 = 45,291,857 : x
  2. Step 2: Convert to fraction form
    30,226,261/45,291,857 = 45,291,857/x
  3. Step 3: Cross multiply
    30,226,261x = 45,291,857 × 45,291,857
  4. Step 4: Simplify right side
    30,226,261x = 2,051,352,310,508,449
  5. Step 5: Solve for x
    x = 2,051,352,310,508,449/30,226,261
  6. Step 6: Final answer
    x = 67,866,558.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.