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Finding the Third Proportional to 3,117,581 and 6,699,291.50

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Solution

The third proportional to 3,117,581 and 6,699,291.50 is: 14,395,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,581 : 6,699,291.50 = 6,699,291.50 : x
  2. Step 2: Convert to fraction form
    3,117,581/6,699,291.50 = 6,699,291.50/x
  3. Step 3: Cross multiply
    3,117,581x = 6,699,291.50 × 6,699,291.50
  4. Step 4: Simplify right side
    3,117,581x = 44,880,506,601,972.25
  5. Step 5: Solve for x
    x = 44,880,506,601,972.25/3,117,581
  6. Step 6: Final answer
    x = 14,395,939.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.