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Finding the Third Proportional to 1,722,315 and 2,688,124.50

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Solution

The third proportional to 1,722,315 and 2,688,124.50 is: 4,195,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,315 : 2,688,124.50 = 2,688,124.50 : x
  2. Step 2: Convert to fraction form
    1,722,315/2,688,124.50 = 2,688,124.50/x
  3. Step 3: Cross multiply
    1,722,315x = 2,688,124.50 × 2,688,124.50
  4. Step 4: Simplify right side
    1,722,315x = 7,226,013,327,500.25
  5. Step 5: Solve for x
    x = 7,226,013,327,500.25/1,722,315
  6. Step 6: Final answer
    x = 4,195,523.66

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.