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Finding the Third Proportional to 708,838.59 and 1,555,465.78

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Solution

The third proportional to 708,838.59 and 1,555,465.78 is: 3,413,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,838.59 : 1,555,465.78 = 1,555,465.78 : x
  2. Step 2: Convert to fraction form
    708,838.59/1,555,465.78 = 1,555,465.78/x
  3. Step 3: Cross multiply
    708,838.59x = 1,555,465.78 × 1,555,465.78
  4. Step 4: Simplify right side
    708,838.59x = 2,419,473,796,639.67
  5. Step 5: Solve for x
    x = 2,419,473,796,639.67/708,838.59
  6. Step 6: Final answer
    x = 3,413,292.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.