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Finding the Third Proportional to 85,688,266 and 130,540,146

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Solution

The third proportional to 85,688,266 and 130,540,146 is: 198,868,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,688,266 : 130,540,146 = 130,540,146 : x
  2. Step 2: Convert to fraction form
    85,688,266/130,540,146 = 130,540,146/x
  3. Step 3: Cross multiply
    85,688,266x = 130,540,146 × 130,540,146
  4. Step 4: Simplify right side
    85,688,266x = 17,040,729,717,701,316
  5. Step 5: Solve for x
    x = 17,040,729,717,701,316/85,688,266
  6. Step 6: Final answer
    x = 198,868,882.67

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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.