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Finding the Third Proportional to 53,972,808 and 83,481,444

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Solution

The third proportional to 53,972,808 and 83,481,444 is: 129,123,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972,808 : 83,481,444 = 83,481,444 : x
  2. Step 2: Convert to fraction form
    53,972,808/83,481,444 = 83,481,444/x
  3. Step 3: Cross multiply
    53,972,808x = 83,481,444 × 83,481,444
  4. Step 4: Simplify right side
    53,972,808x = 6,969,151,492,325,136
  5. Step 5: Solve for x
    x = 6,969,151,492,325,136/53,972,808
  6. Step 6: Final answer
    x = 129,123,381.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.