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Finding the Third Proportional to 86,685,790.13 and 130,763,519.25

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Solution

The third proportional to 86,685,790.13 and 130,763,519.25 is: 197,253,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685,790.13 : 130,763,519.25 = 130,763,519.25 : x
  2. Step 2: Convert to fraction form
    86,685,790.13/130,763,519.25 = 130,763,519.25/x
  3. Step 3: Cross multiply
    86,685,790.13x = 130,763,519.25 × 130,763,519.25
  4. Step 4: Simplify right side
    86,685,790.13x = 17,099,097,966,645,120
  5. Step 5: Solve for x
    x = 17,099,097,966,645,120/86,685,790.13
  6. Step 6: Final answer
    x = 197,253,759.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.