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Finding the Third Proportional to 3,891,851.93 and 8,516,741.84

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Solution

The third proportional to 3,891,851.93 and 8,516,741.84 is: 18,637,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,851.93 : 8,516,741.84 = 8,516,741.84 : x
  2. Step 2: Convert to fraction form
    3,891,851.93/8,516,741.84 = 8,516,741.84/x
  3. Step 3: Cross multiply
    3,891,851.93x = 8,516,741.84 × 8,516,741.84
  4. Step 4: Simplify right side
    3,891,851.93x = 72,534,891,500,002.95
  5. Step 5: Solve for x
    x = 72,534,891,500,002.95/3,891,851.93
  6. Step 6: Final answer
    x = 18,637,628.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.