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Finding the Third Proportional to 38,868,024 and 85,058,178

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Solution

The third proportional to 38,868,024 and 85,058,178 is: 186,139,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868,024 : 85,058,178 = 85,058,178 : x
  2. Step 2: Convert to fraction form
    38,868,024/85,058,178 = 85,058,178/x
  3. Step 3: Cross multiply
    38,868,024x = 85,058,178 × 85,058,178
  4. Step 4: Simplify right side
    38,868,024x = 7,234,893,644,679,684
  5. Step 5: Solve for x
    x = 7,234,893,644,679,684/38,868,024
  6. Step 6: Final answer
    x = 186,139,991.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.