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Finding the Third Proportional to 3,370,809.86 and 7,428,756.32

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Solution

The third proportional to 3,370,809.86 and 7,428,756.32 is: 16,371,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,809.86 : 7,428,756.32 = 7,428,756.32 : x
  2. Step 2: Convert to fraction form
    3,370,809.86/7,428,756.32 = 7,428,756.32/x
  3. Step 3: Cross multiply
    3,370,809.86x = 7,428,756.32 × 7,428,756.32
  4. Step 4: Simplify right side
    3,370,809.86x = 55,186,420,495,602.62
  5. Step 5: Solve for x
    x = 55,186,420,495,602.62/3,370,809.86
  6. Step 6: Final answer
    x = 16,371,858.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.