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Finding the Third Proportional to 2,187,045.56 and 4,709,385.56

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Solution

The third proportional to 2,187,045.56 and 4,709,385.56 is: 10,140,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,045.56 : 4,709,385.56 = 4,709,385.56 : x
  2. Step 2: Convert to fraction form
    2,187,045.56/4,709,385.56 = 4,709,385.56/x
  3. Step 3: Cross multiply
    2,187,045.56x = 4,709,385.56 × 4,709,385.56
  4. Step 4: Simplify right side
    2,187,045.56x = 22,178,312,376,283.44
  5. Step 5: Solve for x
    x = 22,178,312,376,283.44/2,187,045.56
  6. Step 6: Final answer
    x = 10,140,763.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.