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Finding the Third Proportional to 78,726,085.50 and 171,778,845

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Solution

The third proportional to 78,726,085.50 and 171,778,845 is: 374,818,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,726,085.50 : 171,778,845 = 171,778,845 : x
  2. Step 2: Convert to fraction form
    78,726,085.50/171,778,845 = 171,778,845/x
  3. Step 3: Cross multiply
    78,726,085.50x = 171,778,845 × 171,778,845
  4. Step 4: Simplify right side
    78,726,085.50x = 29,507,971,589,534,024
  5. Step 5: Solve for x
    x = 29,507,971,589,534,024/78,726,085.50
  6. Step 6: Final answer
    x = 374,818,224.51

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.