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Finding the Third Proportional to 18,421,334,129 and 28,297,422,473

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Solution

The third proportional to 18,421,334,129 and 28,297,422,473 is: 43,468,302,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,334,129 : 28,297,422,473 = 28,297,422,473 : x
  2. Step 2: Convert to fraction form
    18,421,334,129/28,297,422,473 = 28,297,422,473/x
  3. Step 3: Cross multiply
    18,421,334,129x = 28,297,422,473 × 28,297,422,473
  4. Step 4: Simplify right side
    18,421,334,129x = 800,744,118,615,445,471,232
  5. Step 5: Solve for x
    x = 800,744,118,615,445,471,232/18,421,334,129
  6. Step 6: Final answer
    x = 43,468,302,187.45

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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.