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Finding the Third Proportional to 7,342,811.50 and 15,905,989

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Solution

The third proportional to 7,342,811.50 and 15,905,989 is: 34,455,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,811.50 : 15,905,989 = 15,905,989 : x
  2. Step 2: Convert to fraction form
    7,342,811.50/15,905,989 = 15,905,989/x
  3. Step 3: Cross multiply
    7,342,811.50x = 15,905,989 × 15,905,989
  4. Step 4: Simplify right side
    7,342,811.50x = 253,000,486,068,121
  5. Step 5: Solve for x
    x = 253,000,486,068,121/7,342,811.50
  6. Step 6: Final answer
    x = 34,455,533.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.