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Finding the Third Proportional to 456,816 and 702,696

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Solution

The third proportional to 456,816 and 702,696 is: 1,080,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,816 : 702,696 = 702,696 : x
  2. Step 2: Convert to fraction form
    456,816/702,696 = 702,696/x
  3. Step 3: Cross multiply
    456,816x = 702,696 × 702,696
  4. Step 4: Simplify right side
    456,816x = 493,781,668,416
  5. Step 5: Solve for x
    x = 493,781,668,416/456,816
  6. Step 6: Final answer
    x = 1,080,920.26

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.