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Finding the Third Proportional to 1,817,655.19 and 3,938,236.45

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Solution

The third proportional to 1,817,655.19 and 3,938,236.45 is: 8,532,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,655.19 : 3,938,236.45 = 3,938,236.45 : x
  2. Step 2: Convert to fraction form
    1,817,655.19/3,938,236.45 = 3,938,236.45/x
  3. Step 3: Cross multiply
    1,817,655.19x = 3,938,236.45 × 3,938,236.45
  4. Step 4: Simplify right side
    1,817,655.19x = 15,509,706,360,722.58
  5. Step 5: Solve for x
    x = 15,509,706,360,722.58/1,817,655.19
  6. Step 6: Final answer
    x = 8,532,810.00

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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.