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Finding the Third Proportional to 18,881,014.88 and 29,155,590.84

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Solution

The third proportional to 18,881,014.88 and 29,155,590.84 is: 45,021,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,014.88 : 29,155,590.84 = 29,155,590.84 : x
  2. Step 2: Convert to fraction form
    18,881,014.88/29,155,590.84 = 29,155,590.84/x
  3. Step 3: Cross multiply
    18,881,014.88x = 29,155,590.84 × 29,155,590.84
  4. Step 4: Simplify right side
    18,881,014.88x = 850,048,477,448,158.88
  5. Step 5: Solve for x
    x = 850,048,477,448,158.88/18,881,014.88
  6. Step 6: Final answer
    x = 45,021,334.03

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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.