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Finding the Third Proportional to 28,712,286 and 43,089,429

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Solution

The third proportional to 28,712,286 and 43,089,429 is: 64,665,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712,286 : 43,089,429 = 43,089,429 : x
  2. Step 2: Convert to fraction form
    28,712,286/43,089,429 = 43,089,429/x
  3. Step 3: Cross multiply
    28,712,286x = 43,089,429 × 43,089,429
  4. Step 4: Simplify right side
    28,712,286x = 1,856,698,891,546,041
  5. Step 5: Solve for x
    x = 1,856,698,891,546,041/28,712,286
  6. Step 6: Final answer
    x = 64,665,658.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.