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Finding the Third Proportional to 983,304.56 and 2,139,655.50

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Solution

The third proportional to 983,304.56 and 2,139,655.50 is: 4,655,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,304.56 : 2,139,655.50 = 2,139,655.50 : x
  2. Step 2: Convert to fraction form
    983,304.56/2,139,655.50 = 2,139,655.50/x
  3. Step 3: Cross multiply
    983,304.56x = 2,139,655.50 × 2,139,655.50
  4. Step 4: Simplify right side
    983,304.56x = 4,578,125,658,680.25
  5. Step 5: Solve for x
    x = 4,578,125,658,680.25/983,304.56
  6. Step 6: Final answer
    x = 4,655,857.23

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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.