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Finding the Third Proportional to 7,991,216 and 17,611,360

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Solution

The third proportional to 7,991,216 and 17,611,360 is: 38,812,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,216 : 17,611,360 = 17,611,360 : x
  2. Step 2: Convert to fraction form
    7,991,216/17,611,360 = 17,611,360/x
  3. Step 3: Cross multiply
    7,991,216x = 17,611,360 × 17,611,360
  4. Step 4: Simplify right side
    7,991,216x = 310,160,001,049,600
  5. Step 5: Solve for x
    x = 310,160,001,049,600/7,991,216
  6. Step 6: Final answer
    x = 38,812,616.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.