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Finding the Third Proportional to 30,036,328 and 46,530,220

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Solution

The third proportional to 30,036,328 and 46,530,220 is: 72,081,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036,328 : 46,530,220 = 46,530,220 : x
  2. Step 2: Convert to fraction form
    30,036,328/46,530,220 = 46,530,220/x
  3. Step 3: Cross multiply
    30,036,328x = 46,530,220 × 46,530,220
  4. Step 4: Simplify right side
    30,036,328x = 2,165,061,373,248,400
  5. Step 5: Solve for x
    x = 2,165,061,373,248,400/30,036,328
  6. Step 6: Final answer
    x = 72,081,426.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.