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Finding the Third Proportional to 35,239,490 and 72,376,228

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Solution

The third proportional to 35,239,490 and 72,376,228 is: 148,649,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,239,490 : 72,376,228 = 72,376,228 : x
  2. Step 2: Convert to fraction form
    35,239,490/72,376,228 = 72,376,228/x
  3. Step 3: Cross multiply
    35,239,490x = 72,376,228 × 72,376,228
  4. Step 4: Simplify right side
    35,239,490x = 5,238,318,379,507,984
  5. Step 5: Solve for x
    x = 5,238,318,379,507,984/35,239,490
  6. Step 6: Final answer
    x = 148,649,097.35

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.