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Finding the Third Proportional to 1,681,899.19 and 3,672,064.13

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Solution

The third proportional to 1,681,899.19 and 3,672,064.13 is: 8,017,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,899.19 : 3,672,064.13 = 3,672,064.13 : x
  2. Step 2: Convert to fraction form
    1,681,899.19/3,672,064.13 = 3,672,064.13/x
  3. Step 3: Cross multiply
    1,681,899.19x = 3,672,064.13 × 3,672,064.13
  4. Step 4: Simplify right side
    1,681,899.19x = 13,484,054,938,112.02
  5. Step 5: Solve for x
    x = 13,484,054,938,112.02/1,681,899.19
  6. Step 6: Final answer
    x = 8,017,160.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.