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Finding the Third Proportional to 57,424,878 and 88,266,015

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Solution

The third proportional to 57,424,878 and 88,266,015 is: 135,670,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424,878 : 88,266,015 = 88,266,015 : x
  2. Step 2: Convert to fraction form
    57,424,878/88,266,015 = 88,266,015/x
  3. Step 3: Cross multiply
    57,424,878x = 88,266,015 × 88,266,015
  4. Step 4: Simplify right side
    57,424,878x = 7,790,889,403,980,225
  5. Step 5: Solve for x
    x = 7,790,889,403,980,225/57,424,878
  6. Step 6: Final answer
    x = 135,670,978.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.