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Finding the Third Proportional to 30,246,282 and 66,371,220

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Solution

The third proportional to 30,246,282 and 66,371,220 is: 145,642,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246,282 : 66,371,220 = 66,371,220 : x
  2. Step 2: Convert to fraction form
    30,246,282/66,371,220 = 66,371,220/x
  3. Step 3: Cross multiply
    30,246,282x = 66,371,220 × 66,371,220
  4. Step 4: Simplify right side
    30,246,282x = 4,405,138,844,288,400
  5. Step 5: Solve for x
    x = 4,405,138,844,288,400/30,246,282
  6. Step 6: Final answer
    x = 145,642,325.37

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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.