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Finding the Third Proportional to 8,685,571.50 and 12,775,473

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Solution

The third proportional to 8,685,571.50 and 12,775,473 is: 18,791,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,571.50 : 12,775,473 = 12,775,473 : x
  2. Step 2: Convert to fraction form
    8,685,571.50/12,775,473 = 12,775,473/x
  3. Step 3: Cross multiply
    8,685,571.50x = 12,775,473 × 12,775,473
  4. Step 4: Simplify right side
    8,685,571.50x = 163,212,710,373,729
  5. Step 5: Solve for x
    x = 163,212,710,373,729/8,685,571.50
  6. Step 6: Final answer
    x = 18,791,245.96

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.