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Finding the Third Proportional to 77,576,670 and 168,773,481

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Solution

The third proportional to 77,576,670 and 168,773,481 is: 367,178,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576,670 : 168,773,481 = 168,773,481 : x
  2. Step 2: Convert to fraction form
    77,576,670/168,773,481 = 168,773,481/x
  3. Step 3: Cross multiply
    77,576,670x = 168,773,481 × 168,773,481
  4. Step 4: Simplify right side
    77,576,670x = 28,484,487,888,857,360
  5. Step 5: Solve for x
    x = 28,484,487,888,857,360/77,576,670
  6. Step 6: Final answer
    x = 367,178,533.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.