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Finding the Third Proportional to 18,047,058 and 38,970,507

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Solution

The third proportional to 18,047,058 and 38,970,507 is: 84,152,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047,058 : 38,970,507 = 38,970,507 : x
  2. Step 2: Convert to fraction form
    18,047,058/38,970,507 = 38,970,507/x
  3. Step 3: Cross multiply
    18,047,058x = 38,970,507 × 38,970,507
  4. Step 4: Simplify right side
    18,047,058x = 1,518,700,415,837,049
  5. Step 5: Solve for x
    x = 1,518,700,415,837,049/18,047,058
  6. Step 6: Final answer
    x = 84,152,243.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.