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Finding the Third Proportional to 40,041,220 and 87,422,010

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Solution

The third proportional to 40,041,220 and 87,422,010 is: 190,868,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041,220 : 87,422,010 = 87,422,010 : x
  2. Step 2: Convert to fraction form
    40,041,220/87,422,010 = 87,422,010/x
  3. Step 3: Cross multiply
    40,041,220x = 87,422,010 × 87,422,010
  4. Step 4: Simplify right side
    40,041,220x = 7,642,607,832,440,100
  5. Step 5: Solve for x
    x = 7,642,607,832,440,100/40,041,220
  6. Step 6: Final answer
    x = 190,868,505.82

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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.