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Finding the Third Proportional to 86,665,516 and 176,357,760

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Solution

The third proportional to 86,665,516 and 176,357,760 is: 358,874,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665,516 : 176,357,760 = 176,357,760 : x
  2. Step 2: Convert to fraction form
    86,665,516/176,357,760 = 176,357,760/x
  3. Step 3: Cross multiply
    86,665,516x = 176,357,760 × 176,357,760
  4. Step 4: Simplify right side
    86,665,516x = 31,102,059,512,217,600
  5. Step 5: Solve for x
    x = 31,102,059,512,217,600/86,665,516
  6. Step 6: Final answer
    x = 358,874,682.20

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.