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Finding the Third Proportional to 868,221 and 1,335,136.50

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Solution

The third proportional to 868,221 and 1,335,136.50 is: 2,053,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,221 : 1,335,136.50 = 1,335,136.50 : x
  2. Step 2: Convert to fraction form
    868,221/1,335,136.50 = 1,335,136.50/x
  3. Step 3: Cross multiply
    868,221x = 1,335,136.50 × 1,335,136.50
  4. Step 4: Simplify right side
    868,221x = 1,782,589,473,632.25
  5. Step 5: Solve for x
    x = 1,782,589,473,632.25/868,221
  6. Step 6: Final answer
    x = 2,053,151.76

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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.