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Finding the Third Proportional to 84,765,447 and 127,769,278.50

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Solution

The third proportional to 84,765,447 and 127,769,278.50 is: 192,590,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765,447 : 127,769,278.50 = 127,769,278.50 : x
  2. Step 2: Convert to fraction form
    84,765,447/127,769,278.50 = 127,769,278.50/x
  3. Step 3: Cross multiply
    84,765,447x = 127,769,278.50 × 127,769,278.50
  4. Step 4: Simplify right side
    84,765,447x = 16,324,988,528,410,562
  5. Step 5: Solve for x
    x = 16,324,988,528,410,562/84,765,447
  6. Step 6: Final answer
    x = 192,590,130.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.