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Finding the Third Proportional to 4,029,876.88 and 8,851,430.67

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Solution

The third proportional to 4,029,876.88 and 8,851,430.67 is: 19,441,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029,876.88 : 8,851,430.67 = 8,851,430.67 : x
  2. Step 2: Convert to fraction form
    4,029,876.88/8,851,430.67 = 8,851,430.67/x
  3. Step 3: Cross multiply
    4,029,876.88x = 8,851,430.67 × 8,851,430.67
  4. Step 4: Simplify right side
    4,029,876.88x = 78,347,824,939,009.52
  5. Step 5: Solve for x
    x = 78,347,824,939,009.52/4,029,876.88
  6. Step 6: Final answer
    x = 19,441,741.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.