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Finding the Third Proportional to 508,740 and 1,091,239

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Solution

The third proportional to 508,740 and 1,091,239 is: 2,340,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,740 : 1,091,239 = 1,091,239 : x
  2. Step 2: Convert to fraction form
    508,740/1,091,239 = 1,091,239/x
  3. Step 3: Cross multiply
    508,740x = 1,091,239 × 1,091,239
  4. Step 4: Simplify right side
    508,740x = 1,190,802,555,121
  5. Step 5: Solve for x
    x = 1,190,802,555,121/508,740
  6. Step 6: Final answer
    x = 2,340,689.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.