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Finding the Third Proportional to 86,665,372 and 176,357,460

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Solution

The third proportional to 86,665,372 and 176,357,460 is: 358,874,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665,372 : 176,357,460 = 176,357,460 : x
  2. Step 2: Convert to fraction form
    86,665,372/176,357,460 = 176,357,460/x
  3. Step 3: Cross multiply
    86,665,372x = 176,357,460 × 176,357,460
  4. Step 4: Simplify right side
    86,665,372x = 31,101,953,697,651,600
  5. Step 5: Solve for x
    x = 31,101,953,697,651,600/86,665,372
  6. Step 6: Final answer
    x = 358,874,057.54

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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.