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Finding the Third Proportional to 760,686 and 1,087,712

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Solution

The third proportional to 760,686 and 1,087,712 is: 1,555,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,686 : 1,087,712 = 1,087,712 : x
  2. Step 2: Convert to fraction form
    760,686/1,087,712 = 1,087,712/x
  3. Step 3: Cross multiply
    760,686x = 1,087,712 × 1,087,712
  4. Step 4: Simplify right side
    760,686x = 1,183,117,394,944
  5. Step 5: Solve for x
    x = 1,183,117,394,944/760,686
  6. Step 6: Final answer
    x = 1,555,329.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.