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Finding the Third Proportional to 85,955,988 and 185,524,278

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Solution

The third proportional to 85,955,988 and 185,524,278 is: 400,428,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,955,988 : 185,524,278 = 185,524,278 : x
  2. Step 2: Convert to fraction form
    85,955,988/185,524,278 = 185,524,278/x
  3. Step 3: Cross multiply
    85,955,988x = 185,524,278 × 185,524,278
  4. Step 4: Simplify right side
    85,955,988x = 34,419,257,727,421,284
  5. Step 5: Solve for x
    x = 34,419,257,727,421,284/85,955,988
  6. Step 6: Final answer
    x = 400,428,853.51

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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.