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Finding the Third Proportional to 131,301,207 and 205,965,531

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Solution

The third proportional to 131,301,207 and 205,965,531 is: 323,087,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,301,207 : 205,965,531 = 205,965,531 : x
  2. Step 2: Convert to fraction form
    131,301,207/205,965,531 = 205,965,531/x
  3. Step 3: Cross multiply
    131,301,207x = 205,965,531 × 205,965,531
  4. Step 4: Simplify right side
    131,301,207x = 42,421,799,960,111,960
  5. Step 5: Solve for x
    x = 42,421,799,960,111,960/131,301,207
  6. Step 6: Final answer
    x = 323,087,661.79

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.