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Finding the Third Proportional to 4,785,345 and 7,355,421

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Solution

The third proportional to 4,785,345 and 7,355,421 is: 11,305,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,345 : 7,355,421 = 7,355,421 : x
  2. Step 2: Convert to fraction form
    4,785,345/7,355,421 = 7,355,421/x
  3. Step 3: Cross multiply
    4,785,345x = 7,355,421 × 7,355,421
  4. Step 4: Simplify right side
    4,785,345x = 54,102,218,087,241
  5. Step 5: Solve for x
    x = 54,102,218,087,241/4,785,345
  6. Step 6: Final answer
    x = 11,305,813.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.