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Finding the Third Proportional to 3,136,465.50 and 4,416,693.75

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Solution

The third proportional to 3,136,465.50 and 4,416,693.75 is: 6,219,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,465.50 : 4,416,693.75 = 4,416,693.75 : x
  2. Step 2: Convert to fraction form
    3,136,465.50/4,416,693.75 = 4,416,693.75/x
  3. Step 3: Cross multiply
    3,136,465.50x = 4,416,693.75 × 4,416,693.75
  4. Step 4: Simplify right side
    3,136,465.50x = 19,507,183,681,289.06
  5. Step 5: Solve for x
    x = 19,507,183,681,289.06/3,136,465.50
  6. Step 6: Final answer
    x = 6,219,479.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.