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Finding the Third Proportional to 9,138,681 and 20,071,071.75

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Solution

The third proportional to 9,138,681 and 20,071,071.75 is: 44,081,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,681 : 20,071,071.75 = 20,071,071.75 : x
  2. Step 2: Convert to fraction form
    9,138,681/20,071,071.75 = 20,071,071.75/x
  3. Step 3: Cross multiply
    9,138,681x = 20,071,071.75 × 20,071,071.75
  4. Step 4: Simplify right side
    9,138,681x = 402,847,921,193,648.06
  5. Step 5: Solve for x
    x = 402,847,921,193,648.06/9,138,681
  6. Step 6: Final answer
    x = 44,081,626.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.