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Finding the Third Proportional to 19,913,988 and 30,054,168

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Solution

The third proportional to 19,913,988 and 30,054,168 is: 45,357,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913,988 : 30,054,168 = 30,054,168 : x
  2. Step 2: Convert to fraction form
    19,913,988/30,054,168 = 30,054,168/x
  3. Step 3: Cross multiply
    19,913,988x = 30,054,168 × 30,054,168
  4. Step 4: Simplify right side
    19,913,988x = 903,253,014,172,224
  5. Step 5: Solve for x
    x = 903,253,014,172,224/19,913,988
  6. Step 6: Final answer
    x = 45,357,716.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.