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Finding the Third Proportional to 1,619,347.13 and 3,487,806.38

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Solution

The third proportional to 1,619,347.13 and 3,487,806.38 is: 7,512,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,347.13 : 3,487,806.38 = 3,487,806.38 : x
  2. Step 2: Convert to fraction form
    1,619,347.13/3,487,806.38 = 3,487,806.38/x
  3. Step 3: Cross multiply
    1,619,347.13x = 3,487,806.38 × 3,487,806.38
  4. Step 4: Simplify right side
    1,619,347.13x = 12,164,793,309,490.64
  5. Step 5: Solve for x
    x = 12,164,793,309,490.64/1,619,347.13
  6. Step 6: Final answer
    x = 7,512,159.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.