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Finding the Third Proportional to 3,155,688 and 6,816,040

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Solution

The third proportional to 3,155,688 and 6,816,040 is: 14,722,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,688 : 6,816,040 = 6,816,040 : x
  2. Step 2: Convert to fraction form
    3,155,688/6,816,040 = 6,816,040/x
  3. Step 3: Cross multiply
    3,155,688x = 6,816,040 × 6,816,040
  4. Step 4: Simplify right side
    3,155,688x = 46,458,401,281,600
  5. Step 5: Solve for x
    x = 46,458,401,281,600/3,155,688
  6. Step 6: Final answer
    x = 14,722,114.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.