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Finding the Third Proportional to 18,779,220 and 41,145,120

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Solution

The third proportional to 18,779,220 and 41,145,120 is: 90,148,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,220 : 41,145,120 = 41,145,120 : x
  2. Step 2: Convert to fraction form
    18,779,220/41,145,120 = 41,145,120/x
  3. Step 3: Cross multiply
    18,779,220x = 41,145,120 × 41,145,120
  4. Step 4: Simplify right side
    18,779,220x = 1,692,920,899,814,400
  5. Step 5: Solve for x
    x = 1,692,920,899,814,400/18,779,220
  6. Step 6: Final answer
    x = 90,148,627.04

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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.