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Finding the Third Proportional to 85,672,822 and 130,517,991

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Solution

The third proportional to 85,672,822 and 130,517,991 is: 198,837,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,822 : 130,517,991 = 130,517,991 : x
  2. Step 2: Convert to fraction form
    85,672,822/130,517,991 = 130,517,991/x
  3. Step 3: Cross multiply
    85,672,822x = 130,517,991 × 130,517,991
  4. Step 4: Simplify right side
    85,672,822x = 17,034,945,974,676,080
  5. Step 5: Solve for x
    x = 17,034,945,974,676,080/85,672,822
  6. Step 6: Final answer
    x = 198,837,222.55

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.