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Finding the Third Proportional to 1,878,000.75 and 2,817,406.13

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Solution

The third proportional to 1,878,000.75 and 2,817,406.13 is: 4,226,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,000.75 : 2,817,406.13 = 2,817,406.13 : x
  2. Step 2: Convert to fraction form
    1,878,000.75/2,817,406.13 = 2,817,406.13/x
  3. Step 3: Cross multiply
    1,878,000.75x = 2,817,406.13 × 2,817,406.13
  4. Step 4: Simplify right side
    1,878,000.75x = 7,937,777,273,187.52
  5. Step 5: Solve for x
    x = 7,937,777,273,187.52/1,878,000.75
  6. Step 6: Final answer
    x = 4,226,716.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.