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Finding the Third Proportional to 4,255,147,125 and 9,311,870,692.88

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Solution

The third proportional to 4,255,147,125 and 9,311,870,692.88 is: 20,377,893,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255,147,125 : 9,311,870,692.88 = 9,311,870,692.88 : x
  2. Step 2: Convert to fraction form
    4,255,147,125/9,311,870,692.88 = 9,311,870,692.88/x
  3. Step 3: Cross multiply
    4,255,147,125x = 9,311,870,692.88 × 9,311,870,692.88
  4. Step 4: Simplify right side
    4,255,147,125x = 86,710,935,800,828,067,840
  5. Step 5: Solve for x
    x = 86,710,935,800,828,067,840/4,255,147,125
  6. Step 6: Final answer
    x = 20,377,893,702.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.