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Finding the Third Proportional to 718,438 and 1,127,014

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Solution

The third proportional to 718,438 and 1,127,014 is: 1,767,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,438 : 1,127,014 = 1,127,014 : x
  2. Step 2: Convert to fraction form
    718,438/1,127,014 = 1,127,014/x
  3. Step 3: Cross multiply
    718,438x = 1,127,014 × 1,127,014
  4. Step 4: Simplify right side
    718,438x = 1,270,160,556,196
  5. Step 5: Solve for x
    x = 1,270,160,556,196/718,438
  6. Step 6: Final answer
    x = 1,767,947.35

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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.