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Finding the Third Proportional to 718,581 and 1,127,239

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Solution

The third proportional to 718,581 and 1,127,239 is: 1,768,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,581 : 1,127,239 = 1,127,239 : x
  2. Step 2: Convert to fraction form
    718,581/1,127,239 = 1,127,239/x
  3. Step 3: Cross multiply
    718,581x = 1,127,239 × 1,127,239
  4. Step 4: Simplify right side
    718,581x = 1,270,667,763,121
  5. Step 5: Solve for x
    x = 1,270,667,763,121/718,581
  6. Step 6: Final answer
    x = 1,768,301.36

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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.