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Finding the Third Proportional to 1,371,655 and 2,132,218.50

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Solution

The third proportional to 1,371,655 and 2,132,218.50 is: 3,314,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,655 : 2,132,218.50 = 2,132,218.50 : x
  2. Step 2: Convert to fraction form
    1,371,655/2,132,218.50 = 2,132,218.50/x
  3. Step 3: Cross multiply
    1,371,655x = 2,132,218.50 × 2,132,218.50
  4. Step 4: Simplify right side
    1,371,655x = 4,546,355,731,742.25
  5. Step 5: Solve for x
    x = 4,546,355,731,742.25/1,371,655
  6. Step 6: Final answer
    x = 3,314,503.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.