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Finding the Third Proportional to 85,672,846.13 and 130,518,030.38

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Solution

The third proportional to 85,672,846.13 and 130,518,030.38 is: 198,837,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,846.13 : 130,518,030.38 = 130,518,030.38 : x
  2. Step 2: Convert to fraction form
    85,672,846.13/130,518,030.38 = 130,518,030.38/x
  3. Step 3: Cross multiply
    85,672,846.13x = 130,518,030.38 × 130,518,030.38
  4. Step 4: Simplify right side
    85,672,846.13x = 17,034,956,252,969,422
  5. Step 5: Solve for x
    x = 17,034,956,252,969,422/85,672,846.13
  6. Step 6: Final answer
    x = 198,837,286.53

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