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Finding the Third Proportional to 677,685 and 1,411,552.50

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Solution

The third proportional to 677,685 and 1,411,552.50 is: 2,940,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,685 : 1,411,552.50 = 1,411,552.50 : x
  2. Step 2: Convert to fraction form
    677,685/1,411,552.50 = 1,411,552.50/x
  3. Step 3: Cross multiply
    677,685x = 1,411,552.50 × 1,411,552.50
  4. Step 4: Simplify right side
    677,685x = 1,992,480,460,256.25
  5. Step 5: Solve for x
    x = 1,992,480,460,256.25/677,685
  6. Step 6: Final answer
    x = 2,940,127.73

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.