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Finding the Third Proportional to 387,244.13 and 838,822.50

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Solution

The third proportional to 387,244.13 and 838,822.50 is: 1,817,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,244.13 : 838,822.50 = 838,822.50 : x
  2. Step 2: Convert to fraction form
    387,244.13/838,822.50 = 838,822.50/x
  3. Step 3: Cross multiply
    387,244.13x = 838,822.50 × 838,822.50
  4. Step 4: Simplify right side
    387,244.13x = 703,623,186,506.25
  5. Step 5: Solve for x
    x = 703,623,186,506.25/387,244.13
  6. Step 6: Final answer
    x = 1,817,001.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.