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Finding the Third Proportional to 80,662,076 and 123,983,418

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Solution

The third proportional to 80,662,076 and 123,983,418 is: 190,571,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662,076 : 123,983,418 = 123,983,418 : x
  2. Step 2: Convert to fraction form
    80,662,076/123,983,418 = 123,983,418/x
  3. Step 3: Cross multiply
    80,662,076x = 123,983,418 × 123,983,418
  4. Step 4: Simplify right side
    80,662,076x = 15,371,887,938,962,724
  5. Step 5: Solve for x
    x = 15,371,887,938,962,724/80,662,076
  6. Step 6: Final answer
    x = 190,571,439.53

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.