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Finding the Third Proportional to 1,890,514 and 2,905,855.50

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Solution

The third proportional to 1,890,514 and 2,905,855.50 is: 4,466,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,514 : 2,905,855.50 = 2,905,855.50 : x
  2. Step 2: Convert to fraction form
    1,890,514/2,905,855.50 = 2,905,855.50/x
  3. Step 3: Cross multiply
    1,890,514x = 2,905,855.50 × 2,905,855.50
  4. Step 4: Simplify right side
    1,890,514x = 8,443,996,186,880.25
  5. Step 5: Solve for x
    x = 8,443,996,186,880.25/1,890,514
  6. Step 6: Final answer
    x = 4,466,508.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.