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Finding the Third Proportional to 686,734.88 and 1,010,255.06

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Solution

The third proportional to 686,734.88 and 1,010,255.06 is: 1,486,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,734.88 : 1,010,255.06 = 1,010,255.06 : x
  2. Step 2: Convert to fraction form
    686,734.88/1,010,255.06 = 1,010,255.06/x
  3. Step 3: Cross multiply
    686,734.88x = 1,010,255.06 × 1,010,255.06
  4. Step 4: Simplify right side
    686,734.88x = 1,020,615,291,306.88
  5. Step 5: Solve for x
    x = 1,020,615,291,306.88/686,734.88
  6. Step 6: Final answer
    x = 1,486,185.32

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.