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Finding the Third Proportional to 1,971,405 and 4,277,419.50

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Solution

The third proportional to 1,971,405 and 4,277,419.50 is: 9,280,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,405 : 4,277,419.50 = 4,277,419.50 : x
  2. Step 2: Convert to fraction form
    1,971,405/4,277,419.50 = 4,277,419.50/x
  3. Step 3: Cross multiply
    1,971,405x = 4,277,419.50 × 4,277,419.50
  4. Step 4: Simplify right side
    1,971,405x = 18,296,317,578,980.25
  5. Step 5: Solve for x
    x = 18,296,317,578,980.25/1,971,405
  6. Step 6: Final answer
    x = 9,280,851.77

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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.