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Finding the Third Proportional to 716,774 and 1,539,788

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Solution

The third proportional to 716,774 and 1,539,788 is: 3,307,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,774 : 1,539,788 = 1,539,788 : x
  2. Step 2: Convert to fraction form
    716,774/1,539,788 = 1,539,788/x
  3. Step 3: Cross multiply
    716,774x = 1,539,788 × 1,539,788
  4. Step 4: Simplify right side
    716,774x = 2,370,947,084,944
  5. Step 5: Solve for x
    x = 2,370,947,084,944/716,774
  6. Step 6: Final answer
    x = 3,307,802.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.