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Finding the Third Proportional to 38,988,456 and 84,485,424

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Solution

The third proportional to 38,988,456 and 84,485,424 is: 183,074,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,456 : 84,485,424 = 84,485,424 : x
  2. Step 2: Convert to fraction form
    38,988,456/84,485,424 = 84,485,424/x
  3. Step 3: Cross multiply
    38,988,456x = 84,485,424 × 84,485,424
  4. Step 4: Simplify right side
    38,988,456x = 7,137,786,868,459,776
  5. Step 5: Solve for x
    x = 7,137,786,868,459,776/38,988,456
  6. Step 6: Final answer
    x = 183,074,366.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.