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Finding the Third Proportional to 90,557,811.75 and 141,217,557.75

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Solution

The third proportional to 90,557,811.75 and 141,217,557.75 is: 220,217,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,557,811.75 : 141,217,557.75 = 141,217,557.75 : x
  2. Step 2: Convert to fraction form
    90,557,811.75/141,217,557.75 = 141,217,557.75/x
  3. Step 3: Cross multiply
    90,557,811.75x = 141,217,557.75 × 141,217,557.75
  4. Step 4: Simplify right side
    90,557,811.75x = 19,942,398,616,874,584
  5. Step 5: Solve for x
    x = 19,942,398,616,874,584/90,557,811.75
  6. Step 6: Final answer
    x = 220,217,320.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.