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Finding the Third Proportional to 61,703,138.25 and 90,283,356

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Solution

The third proportional to 61,703,138.25 and 90,283,356 is: 132,101,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703,138.25 : 90,283,356 = 90,283,356 : x
  2. Step 2: Convert to fraction form
    61,703,138.25/90,283,356 = 90,283,356/x
  3. Step 3: Cross multiply
    61,703,138.25x = 90,283,356 × 90,283,356
  4. Step 4: Simplify right side
    61,703,138.25x = 8,151,084,370,622,736
  5. Step 5: Solve for x
    x = 8,151,084,370,622,736/61,703,138.25
  6. Step 6: Final answer
    x = 132,101,617.55

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.