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Finding the Third Proportional to 18,887,391 and 41,298,066

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Solution

The third proportional to 18,887,391 and 41,298,066 is: 90,299,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,391 : 41,298,066 = 41,298,066 : x
  2. Step 2: Convert to fraction form
    18,887,391/41,298,066 = 41,298,066/x
  3. Step 3: Cross multiply
    18,887,391x = 41,298,066 × 41,298,066
  4. Step 4: Simplify right side
    18,887,391x = 1,705,530,255,340,356
  5. Step 5: Solve for x
    x = 1,705,530,255,340,356/18,887,391
  6. Step 6: Final answer
    x = 90,299,939.01

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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.