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Finding the Third Proportional to 873,142.88 and 1,908,606.38

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Solution

The third proportional to 873,142.88 and 1,908,606.38 is: 4,172,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,142.88 : 1,908,606.38 = 1,908,606.38 : x
  2. Step 2: Convert to fraction form
    873,142.88/1,908,606.38 = 1,908,606.38/x
  3. Step 3: Cross multiply
    873,142.88x = 1,908,606.38 × 1,908,606.38
  4. Step 4: Simplify right side
    873,142.88x = 3,642,778,294,690.64
  5. Step 5: Solve for x
    x = 3,642,778,294,690.64/873,142.88
  6. Step 6: Final answer
    x = 4,172,030.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.