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Finding the Third Proportional to 8,187,258,555 and 12,576,630,759

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Solution

The third proportional to 8,187,258,555 and 12,576,630,759 is: 19,319,243,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,258,555 : 12,576,630,759 = 12,576,630,759 : x
  2. Step 2: Convert to fraction form
    8,187,258,555/12,576,630,759 = 12,576,630,759/x
  3. Step 3: Cross multiply
    8,187,258,555x = 12,576,630,759 × 12,576,630,759
  4. Step 4: Simplify right side
    8,187,258,555x = 158,171,641,248,224,903,168
  5. Step 5: Solve for x
    x = 158,171,641,248,224,903,168/8,187,258,555
  6. Step 6: Final answer
    x = 19,319,243,454.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.