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Finding the Third Proportional to 1,648,866.38 and 2,548,042.88

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Solution

The third proportional to 1,648,866.38 and 2,548,042.88 is: 3,937,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,866.38 : 2,548,042.88 = 2,548,042.88 : x
  2. Step 2: Convert to fraction form
    1,648,866.38/2,548,042.88 = 2,548,042.88/x
  3. Step 3: Cross multiply
    1,648,866.38x = 2,548,042.88 × 2,548,042.88
  4. Step 4: Simplify right side
    1,648,866.38x = 6,492,522,492,838.27
  5. Step 5: Solve for x
    x = 6,492,522,492,838.27/1,648,866.38
  6. Step 6: Final answer
    x = 3,937,567.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.