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Finding the Third Proportional to 680,724 and 1,130,598

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Solution

The third proportional to 680,724 and 1,130,598 is: 1,877,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,724 : 1,130,598 = 1,130,598 : x
  2. Step 2: Convert to fraction form
    680,724/1,130,598 = 1,130,598/x
  3. Step 3: Cross multiply
    680,724x = 1,130,598 × 1,130,598
  4. Step 4: Simplify right side
    680,724x = 1,278,251,837,604
  5. Step 5: Solve for x
    x = 1,278,251,837,604/680,724
  6. Step 6: Final answer
    x = 1,877,782.83

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.