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Finding the Third Proportional to 28,712,288 and 43,089,432

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Solution

The third proportional to 28,712,288 and 43,089,432 is: 64,665,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712,288 : 43,089,432 = 43,089,432 : x
  2. Step 2: Convert to fraction form
    28,712,288/43,089,432 = 43,089,432/x
  3. Step 3: Cross multiply
    28,712,288x = 43,089,432 × 43,089,432
  4. Step 4: Simplify right side
    28,712,288x = 1,856,699,150,082,624
  5. Step 5: Solve for x
    x = 1,856,699,150,082,624/28,712,288
  6. Step 6: Final answer
    x = 64,665,663.36

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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.