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Finding the Third Proportional to 30,044,388 and 64,878,144

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Solution

The third proportional to 30,044,388 and 64,878,144 is: 140,098,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044,388 : 64,878,144 = 64,878,144 : x
  2. Step 2: Convert to fraction form
    30,044,388/64,878,144 = 64,878,144/x
  3. Step 3: Cross multiply
    30,044,388x = 64,878,144 × 64,878,144
  4. Step 4: Simplify right side
    30,044,388x = 4,209,173,568,884,736
  5. Step 5: Solve for x
    x = 4,209,173,568,884,736/30,044,388
  6. Step 6: Final answer
    x = 140,098,495.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.