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Finding the Third Proportional to 18,925,391 and 28,356,602

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Solution

The third proportional to 18,925,391 and 28,356,602 is: 42,487,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925,391 : 28,356,602 = 28,356,602 : x
  2. Step 2: Convert to fraction form
    18,925,391/28,356,602 = 28,356,602/x
  3. Step 3: Cross multiply
    18,925,391x = 28,356,602 × 28,356,602
  4. Step 4: Simplify right side
    18,925,391x = 804,096,876,986,404
  5. Step 5: Solve for x
    x = 804,096,876,986,404/18,925,391
  6. Step 6: Final answer
    x = 42,487,728.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.