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Finding the Third Proportional to 19,768,272 and 43,315,680

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Solution

The third proportional to 19,768,272 and 43,315,680 is: 94,912,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768,272 : 43,315,680 = 43,315,680 : x
  2. Step 2: Convert to fraction form
    19,768,272/43,315,680 = 43,315,680/x
  3. Step 3: Cross multiply
    19,768,272x = 43,315,680 × 43,315,680
  4. Step 4: Simplify right side
    19,768,272x = 1,876,248,133,862,400
  5. Step 5: Solve for x
    x = 1,876,248,133,862,400/19,768,272
  6. Step 6: Final answer
    x = 94,912,096.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.