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Finding the Third Proportional to 1,299,656.81 and 2,898,146.25

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Solution

The third proportional to 1,299,656.81 and 2,898,146.25 is: 6,462,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,656.81 : 2,898,146.25 = 2,898,146.25 : x
  2. Step 2: Convert to fraction form
    1,299,656.81/2,898,146.25 = 2,898,146.25/x
  3. Step 3: Cross multiply
    1,299,656.81x = 2,898,146.25 × 2,898,146.25
  4. Step 4: Simplify right side
    1,299,656.81x = 8,399,251,686,389.06
  5. Step 5: Solve for x
    x = 8,399,251,686,389.06/1,299,656.81
  6. Step 6: Final answer
    x = 6,462,668.92

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.