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Finding the Third Proportional to 1,429,668.75 and 3,079,009.50

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Solution

The third proportional to 1,429,668.75 and 3,079,009.50 is: 6,631,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,668.75 : 3,079,009.50 = 3,079,009.50 : x
  2. Step 2: Convert to fraction form
    1,429,668.75/3,079,009.50 = 3,079,009.50/x
  3. Step 3: Cross multiply
    1,429,668.75x = 3,079,009.50 × 3,079,009.50
  4. Step 4: Simplify right side
    1,429,668.75x = 9,480,299,501,090.25
  5. Step 5: Solve for x
    x = 9,480,299,501,090.25/1,429,668.75
  6. Step 6: Final answer
    x = 6,631,116.12

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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.