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Finding the Third Proportional to 80,963,280 and 124,541,928

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Solution

The third proportional to 80,963,280 and 124,541,928 is: 191,576,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,963,280 : 124,541,928 = 124,541,928 : x
  2. Step 2: Convert to fraction form
    80,963,280/124,541,928 = 124,541,928/x
  3. Step 3: Cross multiply
    80,963,280x = 124,541,928 × 124,541,928
  4. Step 4: Simplify right side
    80,963,280x = 15,510,691,829,957,184
  5. Step 5: Solve for x
    x = 15,510,691,829,957,184/80,963,280
  6. Step 6: Final answer
    x = 191,576,870.77

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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.