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Finding the Third Proportional to 40,003,779 and 87,276,085

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Solution

The third proportional to 40,003,779 and 87,276,085 is: 190,409,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003,779 : 87,276,085 = 87,276,085 : x
  2. Step 2: Convert to fraction form
    40,003,779/87,276,085 = 87,276,085/x
  3. Step 3: Cross multiply
    40,003,779x = 87,276,085 × 87,276,085
  4. Step 4: Simplify right side
    40,003,779x = 7,617,115,012,927,225
  5. Step 5: Solve for x
    x = 7,617,115,012,927,225/40,003,779
  6. Step 6: Final answer
    x = 190,409,886.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.