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Finding the Third Proportional to 9,681,903 and 20,857,594.50

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Solution

The third proportional to 9,681,903 and 20,857,594.50 is: 44,933,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,903 : 20,857,594.50 = 20,857,594.50 : x
  2. Step 2: Convert to fraction form
    9,681,903/20,857,594.50 = 20,857,594.50/x
  3. Step 3: Cross multiply
    9,681,903x = 20,857,594.50 × 20,857,594.50
  4. Step 4: Simplify right side
    9,681,903x = 435,039,248,326,430.25
  5. Step 5: Solve for x
    x = 435,039,248,326,430.25/9,681,903
  6. Step 6: Final answer
    x = 44,933,237.64

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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.