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Finding the Third Proportional to 718,339.50 and 1,127,079

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Solution

The third proportional to 718,339.50 and 1,127,079 is: 1,768,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,339.50 : 1,127,079 = 1,127,079 : x
  2. Step 2: Convert to fraction form
    718,339.50/1,127,079 = 1,127,079/x
  3. Step 3: Cross multiply
    718,339.50x = 1,127,079 × 1,127,079
  4. Step 4: Simplify right side
    718,339.50x = 1,270,307,072,241
  5. Step 5: Solve for x
    x = 1,270,307,072,241/718,339.50
  6. Step 6: Final answer
    x = 1,768,393.74

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.