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Finding the Third Proportional to 86,551,578 and 134,790,435

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Solution

The third proportional to 86,551,578 and 134,790,435 is: 209,914,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551,578 : 134,790,435 = 134,790,435 : x
  2. Step 2: Convert to fraction form
    86,551,578/134,790,435 = 134,790,435/x
  3. Step 3: Cross multiply
    86,551,578x = 134,790,435 × 134,790,435
  4. Step 4: Simplify right side
    86,551,578x = 18,168,461,367,489,224
  5. Step 5: Solve for x
    x = 18,168,461,367,489,224/86,551,578
  6. Step 6: Final answer
    x = 209,914,848.32

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.