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Finding the Third Proportional to 386,437.50 and 849,946.50

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Solution

The third proportional to 386,437.50 and 849,946.50 is: 1,869,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,437.50 : 849,946.50 = 849,946.50 : x
  2. Step 2: Convert to fraction form
    386,437.50/849,946.50 = 849,946.50/x
  3. Step 3: Cross multiply
    386,437.50x = 849,946.50 × 849,946.50
  4. Step 4: Simplify right side
    386,437.50x = 722,409,052,862.25
  5. Step 5: Solve for x
    x = 722,409,052,862.25/386,437.50
  6. Step 6: Final answer
    x = 1,869,407.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.