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Finding the Third Proportional to 9,435,240 and 20,637,028

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Solution

The third proportional to 9,435,240 and 20,637,028 is: 45,137,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435,240 : 20,637,028 = 20,637,028 : x
  2. Step 2: Convert to fraction form
    9,435,240/20,637,028 = 20,637,028/x
  3. Step 3: Cross multiply
    9,435,240x = 20,637,028 × 20,637,028
  4. Step 4: Simplify right side
    9,435,240x = 425,886,924,672,784
  5. Step 5: Solve for x
    x = 425,886,924,672,784/9,435,240
  6. Step 6: Final answer
    x = 45,137,900.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.