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Finding the Third Proportional to 3,220,909.95 and 7,008,549.05

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Solution

The third proportional to 3,220,909.95 and 7,008,549.05 is: 15,250,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,909.95 : 7,008,549.05 = 7,008,549.05 : x
  2. Step 2: Convert to fraction form
    3,220,909.95/7,008,549.05 = 7,008,549.05/x
  3. Step 3: Cross multiply
    3,220,909.95x = 7,008,549.05 × 7,008,549.05
  4. Step 4: Simplify right side
    3,220,909.95x = 49,119,759,742,452.47
  5. Step 5: Solve for x
    x = 49,119,759,742,452.47/3,220,909.95
  6. Step 6: Final answer
    x = 15,250,274.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.