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Finding the Third Proportional to 15,016,484,455.50 and 20,449,888,690.50

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Solution

The third proportional to 15,016,484,455.50 and 20,449,888,690.50 is: 27,849,257,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,484,455.50 : 20,449,888,690.50 = 20,449,888,690.50 : x
  2. Step 2: Convert to fraction form
    15,016,484,455.50/20,449,888,690.50 = 20,449,888,690.50/x
  3. Step 3: Cross multiply
    15,016,484,455.50x = 20,449,888,690.50 × 20,449,888,690.50
  4. Step 4: Simplify right side
    15,016,484,455.50x = 418,197,947,453,839,835,136
  5. Step 5: Solve for x
    x = 418,197,947,453,839,835,136/15,016,484,455.50
  6. Step 6: Final answer
    x = 27,849,257,840.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.