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Finding the Third Proportional to 1,916,491 and 2,874,784.50

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Solution

The third proportional to 1,916,491 and 2,874,784.50 is: 4,312,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,491 : 2,874,784.50 = 2,874,784.50 : x
  2. Step 2: Convert to fraction form
    1,916,491/2,874,784.50 = 2,874,784.50/x
  3. Step 3: Cross multiply
    1,916,491x = 2,874,784.50 × 2,874,784.50
  4. Step 4: Simplify right side
    1,916,491x = 8,264,385,921,440.25
  5. Step 5: Solve for x
    x = 8,264,385,921,440.25/1,916,491
  6. Step 6: Final answer
    x = 4,312,248.75

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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.