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Finding the Third Proportional to 77,710,876.03 and 170,022,505.78

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Solution

The third proportional to 77,710,876.03 and 170,022,505.78 is: 371,989,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710,876.03 : 170,022,505.78 = 170,022,505.78 : x
  2. Step 2: Convert to fraction form
    77,710,876.03/170,022,505.78 = 170,022,505.78/x
  3. Step 3: Cross multiply
    77,710,876.03x = 170,022,505.78 × 170,022,505.78
  4. Step 4: Simplify right side
    77,710,876.03x = 28,907,652,472,135,188
  5. Step 5: Solve for x
    x = 28,907,652,472,135,188/77,710,876.03
  6. Step 6: Final answer
    x = 371,989,790.21

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.