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Finding the Third Proportional to 91,443,082 and 139,308,401

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Solution

The third proportional to 91,443,082 and 139,308,401 is: 212,228,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,443,082 : 139,308,401 = 139,308,401 : x
  2. Step 2: Convert to fraction form
    91,443,082/139,308,401 = 139,308,401/x
  3. Step 3: Cross multiply
    91,443,082x = 139,308,401 × 139,308,401
  4. Step 4: Simplify right side
    91,443,082x = 19,406,830,589,176,800
  5. Step 5: Solve for x
    x = 19,406,830,589,176,800/91,443,082
  6. Step 6: Final answer
    x = 212,228,526.91

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.