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Finding the Third Proportional to 43,390,123 and 65,645,056

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Solution

The third proportional to 43,390,123 and 65,645,056 is: 99,314,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390,123 : 65,645,056 = 65,645,056 : x
  2. Step 2: Convert to fraction form
    43,390,123/65,645,056 = 65,645,056/x
  3. Step 3: Cross multiply
    43,390,123x = 65,645,056 × 65,645,056
  4. Step 4: Simplify right side
    43,390,123x = 4,309,273,377,243,136
  5. Step 5: Solve for x
    x = 4,309,273,377,243,136/43,390,123
  6. Step 6: Final answer
    x = 99,314,615.38

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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.