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Finding the Third Proportional to 19,888,507.13 and 30,684,346.59

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Solution

The third proportional to 19,888,507.13 and 30,684,346.59 is: 47,340,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888,507.13 : 30,684,346.59 = 30,684,346.59 : x
  2. Step 2: Convert to fraction form
    19,888,507.13/30,684,346.59 = 30,684,346.59/x
  3. Step 3: Cross multiply
    19,888,507.13x = 30,684,346.59 × 30,684,346.59
  4. Step 4: Simplify right side
    19,888,507.13x = 941,529,125,885,377.25
  5. Step 5: Solve for x
    x = 941,529,125,885,377.25/19,888,507.13
  6. Step 6: Final answer
    x = 47,340,361.95

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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.