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Finding the Third Proportional to 30,877,200 and 66,003,768

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Solution

The third proportional to 30,877,200 and 66,003,768 is: 141,091,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877,200 : 66,003,768 = 66,003,768 : x
  2. Step 2: Convert to fraction form
    30,877,200/66,003,768 = 66,003,768/x
  3. Step 3: Cross multiply
    30,877,200x = 66,003,768 × 66,003,768
  4. Step 4: Simplify right side
    30,877,200x = 4,356,497,390,197,824
  5. Step 5: Solve for x
    x = 4,356,497,390,197,824/30,877,200
  6. Step 6: Final answer
    x = 141,091,076.59

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.