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Finding the Third Proportional to 18,018,389.25 and 38,871,191.25

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Solution

The third proportional to 18,018,389.25 and 38,871,191.25 is: 83,857,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,389.25 : 38,871,191.25 = 38,871,191.25 : x
  2. Step 2: Convert to fraction form
    18,018,389.25/38,871,191.25 = 38,871,191.25/x
  3. Step 3: Cross multiply
    18,018,389.25x = 38,871,191.25 × 38,871,191.25
  4. Step 4: Simplify right side
    18,018,389.25x = 1,510,969,509,194,076.50
  5. Step 5: Solve for x
    x = 1,510,969,509,194,076.50/18,018,389.25
  6. Step 6: Final answer
    x = 83,857,080.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.